Mercurial Repositories > eric / changeset

--- a/APIs/Python3/eric6.api	Thu Mar 23 18:58:56 2017 +0100
+++ b/APIs/Python3/eric6.api	Thu Mar 23 19:06:13 2017 +0100
@@ -328,7 +328,7 @@
 eric6.DebugClients.Python.getpass.unix_getpass?7
 eric6.DebugClients.Python.getpass.win_getpass?7
 eric6.Debugger.BreakPointModel.BreakPointModel.addBreakPoint?4(fn, line, properties)
-eric6.Debugger.BreakPointModel.BreakPointModel.columnCount?4(parent=QModelIndex())
+eric6.Debugger.BreakPointModel.BreakPointModel.columnCount?4(parent=None)
 eric6.Debugger.BreakPointModel.BreakPointModel.data?4(index, role=Qt.DisplayRole)
 eric6.Debugger.BreakPointModel.BreakPointModel.dataAboutToBeChanged?7
 eric6.Debugger.BreakPointModel.BreakPointModel.deleteAll?4()
@@ -337,12 +337,12 @@
 eric6.Debugger.BreakPointModel.BreakPointModel.flags?4(index)
 eric6.Debugger.BreakPointModel.BreakPointModel.getBreakPointByIndex?4(index)
 eric6.Debugger.BreakPointModel.BreakPointModel.getBreakPointIndex?4(fn, lineno)
-eric6.Debugger.BreakPointModel.BreakPointModel.hasChildren?4(parent=QModelIndex())
+eric6.Debugger.BreakPointModel.BreakPointModel.hasChildren?4(parent=None)
 eric6.Debugger.BreakPointModel.BreakPointModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Debugger.BreakPointModel.BreakPointModel.index?4(row, column, parent=QModelIndex())
+eric6.Debugger.BreakPointModel.BreakPointModel.index?4(row, column, parent=None)
 eric6.Debugger.BreakPointModel.BreakPointModel.isBreakPointTemporaryByIndex?4(index)
 eric6.Debugger.BreakPointModel.BreakPointModel.parent?4(index)
-eric6.Debugger.BreakPointModel.BreakPointModel.rowCount?4(parent=QModelIndex())
+eric6.Debugger.BreakPointModel.BreakPointModel.rowCount?4(parent=None)
 eric6.Debugger.BreakPointModel.BreakPointModel.setBreakPointByIndex?4(index, fn, line, properties)
 eric6.Debugger.BreakPointModel.BreakPointModel.setBreakPointEnabledByIndex?4(index, enabled)
 eric6.Debugger.BreakPointModel.BreakPointModel.setData?4(index, value, role=Qt.EditRole)
@@ -725,7 +725,7 @@
 eric6.Debugger.VariablesViewer.VariablesViewer.showVariables?4(vlist, frmnr)
 eric6.Debugger.VariablesViewer.VariablesViewer?1(viewer, globalScope, parent=None)
 eric6.Debugger.WatchPointModel.WatchPointModel.addWatchPoint?4(cond, special, properties)
-eric6.Debugger.WatchPointModel.WatchPointModel.columnCount?4(parent=QModelIndex())
+eric6.Debugger.WatchPointModel.WatchPointModel.columnCount?4(parent=None)
 eric6.Debugger.WatchPointModel.WatchPointModel.data?4(index, role)
 eric6.Debugger.WatchPointModel.WatchPointModel.dataAboutToBeChanged?7
 eric6.Debugger.WatchPointModel.WatchPointModel.deleteAll?4()
@@ -734,11 +734,11 @@
 eric6.Debugger.WatchPointModel.WatchPointModel.flags?4(index)
 eric6.Debugger.WatchPointModel.WatchPointModel.getWatchPointByIndex?4(index)
 eric6.Debugger.WatchPointModel.WatchPointModel.getWatchPointIndex?4(cond, special="")
-eric6.Debugger.WatchPointModel.WatchPointModel.hasChildren?4(parent=QModelIndex())
+eric6.Debugger.WatchPointModel.WatchPointModel.hasChildren?4(parent=None)
 eric6.Debugger.WatchPointModel.WatchPointModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Debugger.WatchPointModel.WatchPointModel.index?4(row, column, parent=QModelIndex())
+eric6.Debugger.WatchPointModel.WatchPointModel.index?4(row, column, parent=None)
 eric6.Debugger.WatchPointModel.WatchPointModel.parent?4(index)
-eric6.Debugger.WatchPointModel.WatchPointModel.rowCount?4(parent=QModelIndex())
+eric6.Debugger.WatchPointModel.WatchPointModel.rowCount?4(parent=None)
 eric6.Debugger.WatchPointModel.WatchPointModel.setWatchPointByIndex?4(index, cond, special, properties)
 eric6.Debugger.WatchPointModel.WatchPointModel.setWatchPointEnabledByIndex?4(index, enabled)
 eric6.Debugger.WatchPointModel.WatchPointModel?1(parent=None)
@@ -1349,7 +1349,7 @@
 eric6.E5Gui.E5ToolBox.E5HorizontalToolBox?1(parent=None)
 eric6.E5Gui.E5ToolBox.E5VerticalToolBox?1(parent=None)
 eric6.E5Gui.E5TreeSortFilterProxyModel.E5TreeSortFilterProxyModel.filterAcceptsRow?4(sourceRow, sourceParent)
-eric6.E5Gui.E5TreeSortFilterProxyModel.E5TreeSortFilterProxyModel.hasChildren?4(parent=QModelIndex())
+eric6.E5Gui.E5TreeSortFilterProxyModel.E5TreeSortFilterProxyModel.hasChildren?4(parent=None)
 eric6.E5Gui.E5TreeSortFilterProxyModel.E5TreeSortFilterProxyModel?1(parent=None)
 eric6.E5Gui.E5TreeView.E5TreeView.keyPressEvent?4(evt)
 eric6.E5Gui.E5TreeView.E5TreeView.removeAll?4()
@@ -1945,7 +1945,7 @@
 eric6.Helpviewer.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.columnCount?4(parent)
 eric6.Helpviewer.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.filterAcceptsColumn?4(sourceColumn, sourceParent)
 eric6.Helpviewer.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.filterAcceptsRow?4(sourceRow, sourceParent)
-eric6.Helpviewer.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.hasChildren?4(parent=QModelIndex())
+eric6.Helpviewer.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.hasChildren?4(parent=None)
 eric6.Helpviewer.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel?1(parent=None)
 eric6.Helpviewer.Bookmarks.BookmarkNode.BookmarkNode.Bookmark?7
 eric6.Helpviewer.Bookmarks.BookmarkNode.BookmarkNode.Folder?7
@@ -2078,23 +2078,23 @@
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.UrlRole?7
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.UrlStringRole?7
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.bookmarksManager?4()
-eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.columnCount?4(parent=None)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.data?4(index, role=Qt.DisplayRole)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.dropMimeData?4(data, action, row, column, parent)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.entryAdded?4(node)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.entryChanged?4(node)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.entryRemoved?4(parent, row, node)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.flags?4(index)
-eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.hasChildren?4(parent=QModelIndex())
+eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.hasChildren?4(parent=None)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.index?4(row, column, parent=QModelIndex())
+eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.index?4(row, column, parent=None)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.mimeData?4(indexes)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.mimeTypes?4()
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.node?4(index)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.nodeIndex?4(node)
-eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.parent?4(index=QModelIndex())
-eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.parent?4(index=None)
+eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.rowCount?4(parent=None)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.setData?4(index, value, role=Qt.EditRole)
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel.supportedDropActions?4()
 eric6.Helpviewer.Bookmarks.BookmarksModel.BookmarksModel?1(manager, parent=None)
@@ -2129,11 +2129,11 @@
 eric6.Helpviewer.CookieJar.CookieDetailsDialog.CookieDetailsDialog.setData?4(domain, name, path, secure, expires, value)
 eric6.Helpviewer.CookieJar.CookieDetailsDialog.CookieDetailsDialog?1(parent=None)
 eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.addRule?4(host, rule)
-eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.columnCount?4(parent=None)
 eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.data?4(index, role)
 eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.headerData?4(section, orientation, role)
-eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel.rowCount?4(parent=None)
 eric6.Helpviewer.CookieJar.CookieExceptionsModel.CookieExceptionsModel?1(cookieJar, parent=None)
 eric6.Helpviewer.CookieJar.CookieJar.CookieJar.AcceptAlways?7
 eric6.Helpviewer.CookieJar.CookieJar.CookieJar.AcceptNever?7
@@ -2169,11 +2169,11 @@
 eric6.Helpviewer.CookieJar.CookieJar.CookieJar.setFilterTrackingCookies?4(filterTrackingCookies)
 eric6.Helpviewer.CookieJar.CookieJar.CookieJar.setKeepPolicy?4(policy)
 eric6.Helpviewer.CookieJar.CookieJar.CookieJar?1(parent=None)
-eric6.Helpviewer.CookieJar.CookieModel.CookieModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.CookieJar.CookieModel.CookieModel.columnCount?4(parent=None)
 eric6.Helpviewer.CookieJar.CookieModel.CookieModel.data?4(index, role)
 eric6.Helpviewer.CookieJar.CookieModel.CookieModel.headerData?4(section, orientation, role)
-eric6.Helpviewer.CookieJar.CookieModel.CookieModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.CookieJar.CookieModel.CookieModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.CookieJar.CookieModel.CookieModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.CookieJar.CookieModel.CookieModel.rowCount?4(parent=None)
 eric6.Helpviewer.CookieJar.CookieModel.CookieModel?1(cookieJar, parent=None)
 eric6.Helpviewer.CookieJar.CookiesConfigurationDialog.CookiesConfigurationDialog.accept?4()
 eric6.Helpviewer.CookieJar.CookiesConfigurationDialog.CookiesConfigurationDialog.on_cookiesButton_clicked?4()
@@ -2241,8 +2241,8 @@
 eric6.Helpviewer.Download.DownloadModel.DownloadModel.data?4(index, role)
 eric6.Helpviewer.Download.DownloadModel.DownloadModel.flags?4(index)
 eric6.Helpviewer.Download.DownloadModel.DownloadModel.mimeData?4(indexes)
-eric6.Helpviewer.Download.DownloadModel.DownloadModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.Download.DownloadModel.DownloadModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.Download.DownloadModel.DownloadModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.Download.DownloadModel.DownloadModel.rowCount?4(parent=None)
 eric6.Helpviewer.Download.DownloadModel.DownloadModel?1(manager, parent=None)
 eric6.Helpviewer.Download.DownloadUtilities.dataString?4(size)
 eric6.Helpviewer.Download.DownloadUtilities.timeString?4(timeRemaining)
@@ -2662,18 +2662,18 @@
 eric6.Helpviewer.History.HistoryFilterModel.HistoryData?1(offset, frequency=0)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.FrequencyRole?7
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.MaxRole?7
-eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.columnCount?4(parent=None)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.data?4(index, role=Qt.DisplayRole)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.headerData?4(section, orientation, role=Qt.DisplayRole)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.historyContains?4(url)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.historyLocation?4(url)
-eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.index?4(row, column, parent=QModelIndex())
+eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.index?4(row, column, parent=None)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.mapFromSource?4(sourceIndex)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.mapToSource?4(proxyIndex)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.parent?4(index)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.recalculateFrequencies?4()
-eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.rowCount?4(parent=None)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel.setSourceModel?4(sourceModel)
 eric6.Helpviewer.History.HistoryFilterModel.HistoryFilterModel?1(sourceModel, parent=None)
 eric6.Helpviewer.History.HistoryManager.HISTORY_VERSION?7
@@ -2713,13 +2713,13 @@
 eric6.Helpviewer.History.HistoryMenu.HistoryMenu?1(parent=None, tabWidget=None)
 eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.MOVEDROWS?7
 eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.bumpedRows?4()
-eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.columnCount?4(parent=QModelIndex())
-eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.index?4(row, column, parent=QModelIndex())
+eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.columnCount?4(parent=None)
+eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.index?4(row, column, parent=None)
 eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.mapFromSource?4(sourceIndex)
 eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.mapToSource?4(proxyIndex)
 eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.mimeData?4(indexes)
 eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.parent?4(index)
-eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel.rowCount?4(parent=None)
 eric6.Helpviewer.History.HistoryMenu.HistoryMenuModel?1(sourceModel, parent=None)
 eric6.Helpviewer.History.HistoryMenu.HistoryMostVisitedMenu.newUrl?7
 eric6.Helpviewer.History.HistoryMenu.HistoryMostVisitedMenu.openUrl?7
@@ -2733,26 +2733,26 @@
 eric6.Helpviewer.History.HistoryModel.HistoryModel.TitleRole?7
 eric6.Helpviewer.History.HistoryModel.HistoryModel.UrlRole?7
 eric6.Helpviewer.History.HistoryModel.HistoryModel.UrlStringRole?7
-eric6.Helpviewer.History.HistoryModel.HistoryModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.History.HistoryModel.HistoryModel.columnCount?4(parent=None)
 eric6.Helpviewer.History.HistoryModel.HistoryModel.data?4(index, role=Qt.DisplayRole)
 eric6.Helpviewer.History.HistoryModel.HistoryModel.entryAdded?4()
 eric6.Helpviewer.History.HistoryModel.HistoryModel.entryUpdated?4(row)
 eric6.Helpviewer.History.HistoryModel.HistoryModel.headerData?4(section, orientation, role=Qt.DisplayRole)
 eric6.Helpviewer.History.HistoryModel.HistoryModel.historyReset?4()
-eric6.Helpviewer.History.HistoryModel.HistoryModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.History.HistoryModel.HistoryModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.History.HistoryModel.HistoryModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.History.HistoryModel.HistoryModel.rowCount?4(parent=None)
 eric6.Helpviewer.History.HistoryModel.HistoryModel?1(historyManager, parent=None)
-eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.columnCount?4(parent=None)
 eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.data?4(index, role=Qt.DisplayRole)
 eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.flags?4(index)
-eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.hasChildren?4(parent=QModelIndex())
+eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.hasChildren?4(parent=None)
 eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.index?4(row, column, parent=QModelIndex())
+eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.index?4(row, column, parent=None)
 eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.mapFromSource?4(sourceIndex)
 eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.mapToSource?4(proxyIndex)
 eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.parent?4(index)
-eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.rowCount?4(parent=None)
 eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel.setSourceModel?4(sourceModel)
 eric6.Helpviewer.History.HistoryTreeModel.HistoryTreeModel?1(sourceModel, parent=None)
 eric6.Helpviewer.JavaScriptResources.parseForms_js?7
@@ -2828,14 +2828,14 @@
 eric6.Helpviewer.OfflineStorage.OfflineStorageConfigDialog.OfflineStorageConfigDialog.storeData?4()
 eric6.Helpviewer.OfflineStorage.OfflineStorageConfigDialog.OfflineStorageConfigDialog?1(parent=None)
 eric6.Helpviewer.OfflineStorage.WebDatabasesDialog.WebDatabasesDialog?1(parent=None)
-eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.columnCount?4(parent=None)
 eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.data?4(index, role=Qt.DisplayRole)
-eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.hasChildren?4(parent=QModelIndex())
+eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.hasChildren?4(parent=None)
 eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.index?4(row, column, parent=QModelIndex())
-eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.parent?4(index=QModelIndex())
-eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.index?4(row, column, parent=None)
+eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.parent?4(index=None)
+eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel.rowCount?4(parent=None)
 eric6.Helpviewer.OfflineStorage.WebDatabasesModel.WebDatabasesModel?1(parent=None)
 eric6.Helpviewer.OpenSearch.DefaultSearchEngines.DefaultSearchEngines_rc.qCleanupResources?4()
 eric6.Helpviewer.OpenSearch.DefaultSearchEngines.DefaultSearchEngines_rc.qInitResources?4()
@@ -2883,12 +2883,12 @@
 eric6.Helpviewer.OpenSearch.OpenSearchEngine.OpenSearchEngine.suggestionsUrlTemplate?4()
 eric6.Helpviewer.OpenSearch.OpenSearchEngine.OpenSearchEngine?1(parent=None)
 eric6.Helpviewer.OpenSearch.OpenSearchEngineAction.OpenSearchEngineAction?1(engine, parent=None)
-eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.columnCount?4(parent=None)
 eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.data?4(index, role)
 eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.flags?4(index)
 eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.rowCount?4(parent=None)
 eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.setData?4(index, value, role=Qt.EditRole)
 eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel?1(manager, parent=None)
 eric6.Helpviewer.OpenSearch.OpenSearchManager.OpenSearchManager.addEngine?4(engine)
@@ -2945,11 +2945,11 @@
 eric6.Helpviewer.Passwords.PasswordManager.PasswordManager.siteInfo?4(site)
 eric6.Helpviewer.Passwords.PasswordManager.PasswordManager.sitesCount?4()
 eric6.Helpviewer.Passwords.PasswordManager.PasswordManager?1(parent=None)
-eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.columnCount?4(parent=None)
 eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.data?4(index, role)
 eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.rowCount?4(parent=None)
 eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.setShowPasswords?4(on)
 eric6.Helpviewer.Passwords.PasswordModel.PasswordModel.showPasswords?4()
 eric6.Helpviewer.Passwords.PasswordModel.PasswordModel?1(manager, parent=None)
@@ -3200,11 +3200,11 @@
 eric6.Helpviewer.UserAgent.UserAgentManager.UserAgentManager.userAgentSettingsSaved?7
 eric6.Helpviewer.UserAgent.UserAgentManager.UserAgentManager?1(parent=None)
 eric6.Helpviewer.UserAgent.UserAgentMenu.UserAgentMenu?1(title, url=None, parent=None)
-eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel.columnCount?4(parent=None)
 eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel.data?4(index, role)
 eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel.rowCount?4(parent=None)
 eric6.Helpviewer.UserAgent.UserAgentModel.UserAgentModel?1(manager, parent=None)
 eric6.Helpviewer.UserAgent.UserAgentReader.UserAgentReader.read?4(fileNameOrDevice)
 eric6.Helpviewer.UserAgent.UserAgentReader.UserAgentReader?1()
@@ -3280,11 +3280,11 @@
 eric6.Helpviewer.ZoomManager.ZoomManager.ZoomManager.zoomValue?4(url)
 eric6.Helpviewer.ZoomManager.ZoomManager.ZoomManager?1(parent=None)
 eric6.Helpviewer.ZoomManager.ZoomValuesDialog.ZoomValuesDialog?1(parent=None)
-eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel.columnCount?4(parent=QModelIndex())
+eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel.columnCount?4(parent=None)
 eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel.data?4(index, role)
 eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel.rowCount?4(parent=QModelIndex())
+eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel.removeRows?4(row, count, parent=None)
+eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel.rowCount?4(parent=None)
 eric6.Helpviewer.ZoomManager.ZoomValuesModel.ZoomValuesModel?1(manager, parent=None)
 eric6.HexEdit.HexEditChunks.HexEditChunk?1()
 eric6.HexEdit.HexEditChunks.HexEditChunks.BUFFER_SIZE?7
@@ -8578,16 +8578,16 @@
 eric6.UI.BrowserModel.BrowserModel._addItem?5(itm, parentItem)
 eric6.UI.BrowserModel.BrowserModel._addWatchedItem?5(itm)
 eric6.UI.BrowserModel.BrowserModel._removeWatchedItem?5(itm)
-eric6.UI.BrowserModel.BrowserModel.addItem?4(itm, parent=QModelIndex())
+eric6.UI.BrowserModel.BrowserModel.addItem?4(itm, parent=None)
 eric6.UI.BrowserModel.BrowserModel.addTopLevelDir?4(dirname)
 eric6.UI.BrowserModel.BrowserModel.clear?4()
-eric6.UI.BrowserModel.BrowserModel.columnCount?4(parent=QModelIndex())
+eric6.UI.BrowserModel.BrowserModel.columnCount?4(parent=None)
 eric6.UI.BrowserModel.BrowserModel.data?4(index, role)
 eric6.UI.BrowserModel.BrowserModel.directoryChanged?4(path)
 eric6.UI.BrowserModel.BrowserModel.flags?4(index)
-eric6.UI.BrowserModel.BrowserModel.hasChildren?4(parent=QModelIndex())
+eric6.UI.BrowserModel.BrowserModel.hasChildren?4(parent=None)
 eric6.UI.BrowserModel.BrowserModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.UI.BrowserModel.BrowserModel.index?4(row, column, parent=QModelIndex())
+eric6.UI.BrowserModel.BrowserModel.index?4(row, column, parent=None)
 eric6.UI.BrowserModel.BrowserModel.interpreterChanged?4(interpreter)
 eric6.UI.BrowserModel.BrowserModel.item?4(index)
 eric6.UI.BrowserModel.BrowserModel.parent?4(index)
@@ -8600,13 +8600,13 @@
 eric6.UI.BrowserModel.BrowserModel.populateSysPathItem?4(parentItem, repopulate=False)
 eric6.UI.BrowserModel.BrowserModel.programChange?4(dirname)
 eric6.UI.BrowserModel.BrowserModel.removeToplevelDir?4(index)
-eric6.UI.BrowserModel.BrowserModel.rowCount?4(parent=QModelIndex())
+eric6.UI.BrowserModel.BrowserModel.rowCount?4(parent=None)
 eric6.UI.BrowserModel.BrowserModel.saveToplevelDirs?4()
 eric6.UI.BrowserModel.BrowserModel?1(parent=None, nopopulate=False)
 eric6.UI.BrowserModel.BrowserSysPathItem.name?4()
 eric6.UI.BrowserModel.BrowserSysPathItem?1(parent)
 eric6.UI.BrowserSortFilterProxyModel.BrowserSortFilterProxyModel.filterAcceptsRow?4(source_row, source_parent)
-eric6.UI.BrowserSortFilterProxyModel.BrowserSortFilterProxyModel.hasChildren?4(parent=QModelIndex())
+eric6.UI.BrowserSortFilterProxyModel.BrowserSortFilterProxyModel.hasChildren?4(parent=None)
 eric6.UI.BrowserSortFilterProxyModel.BrowserSortFilterProxyModel.item?4(index)
 eric6.UI.BrowserSortFilterProxyModel.BrowserSortFilterProxyModel.lessThan?4(left, right)
 eric6.UI.BrowserSortFilterProxyModel.BrowserSortFilterProxyModel.preferencesChanged?4()
@@ -9649,7 +9649,7 @@
 eric6.WebBrowser.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.columnCount?4(parent)
 eric6.WebBrowser.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.filterAcceptsColumn?4(sourceColumn, sourceParent)
 eric6.WebBrowser.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.filterAcceptsRow?4(sourceRow, sourceParent)
-eric6.WebBrowser.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.hasChildren?4(parent=QModelIndex())
+eric6.WebBrowser.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel.hasChildren?4(parent=None)
 eric6.WebBrowser.Bookmarks.AddBookmarkDialog.AddBookmarkProxyModel?1(parent=None)
 eric6.WebBrowser.Bookmarks.BookmarkNode.BookmarkNode.Bookmark?7
 eric6.WebBrowser.Bookmarks.BookmarkNode.BookmarkNode.Folder?7
@@ -9788,23 +9788,23 @@
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.UrlStringRole?7
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.VisitCountRole?7
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.bookmarksManager?4()
-eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.columnCount?4(parent=None)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.data?4(index, role=Qt.DisplayRole)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.dropMimeData?4(data, action, row, column, parent)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.entryAdded?4(node)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.entryChanged?4(node)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.entryRemoved?4(parent, row, node)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.flags?4(index)
-eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.hasChildren?4(parent=QModelIndex())
+eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.hasChildren?4(parent=None)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.index?4(row, column, parent=QModelIndex())
+eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.index?4(row, column, parent=None)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.mimeData?4(indexes)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.mimeTypes?4()
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.node?4(index)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.nodeIndex?4(node)
-eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.parent?4(index=QModelIndex())
-eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.parent?4(index=None)
+eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.rowCount?4(parent=None)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.setData?4(index, value, role=Qt.EditRole)
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel.supportedDropActions?4()
 eric6.WebBrowser.Bookmarks.BookmarksModel.BookmarksModel?1(manager, parent=None)
@@ -9838,11 +9838,11 @@
 eric6.WebBrowser.ClosedTabsManager.ClosedTabsManager.recordBrowser?4(browser, position)
 eric6.WebBrowser.ClosedTabsManager.ClosedTabsManager?1(parent=None)
 eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.addRule?4(host, rule)
-eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.columnCount?4(parent=None)
 eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.data?4(index, role)
 eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.headerData?4(section, orientation, role)
-eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel.rowCount?4(parent=None)
 eric6.WebBrowser.CookieJar.CookieExceptionsModel.CookieExceptionsModel?1(cookieJar, parent=None)
 eric6.WebBrowser.CookieJar.CookieJar.CookieJar.AcceptAlways?7
 eric6.WebBrowser.CookieJar.CookieJar.CookieJar.AcceptMax?7
@@ -9942,8 +9942,8 @@
 eric6.WebBrowser.Download.DownloadModel.DownloadModel.data?4(index, role)
 eric6.WebBrowser.Download.DownloadModel.DownloadModel.flags?4(index)
 eric6.WebBrowser.Download.DownloadModel.DownloadModel.mimeData?4(indexes)
-eric6.WebBrowser.Download.DownloadModel.DownloadModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.Download.DownloadModel.DownloadModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.Download.DownloadModel.DownloadModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.Download.DownloadModel.DownloadModel.rowCount?4(parent=None)
 eric6.WebBrowser.Download.DownloadModel.DownloadModel?1(manager, parent=None)
 eric6.WebBrowser.Download.DownloadUtilities.dataString?4(size)
 eric6.WebBrowser.Download.DownloadUtilities.timeString?4(timeRemaining)
@@ -10122,18 +10122,18 @@
 eric6.WebBrowser.History.HistoryFilterModel.HistoryData?1(offset, frequency=0)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.FrequencyRole?7
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.MaxRole?7
-eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.columnCount?4(parent=None)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.data?4(index, role=Qt.DisplayRole)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.headerData?4(section, orientation, role=Qt.DisplayRole)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.historyContains?4(url)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.historyLocation?4(url)
-eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.index?4(row, column, parent=QModelIndex())
+eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.index?4(row, column, parent=None)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.mapFromSource?4(sourceIndex)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.mapToSource?4(proxyIndex)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.parent?4(index)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.recalculateFrequencies?4()
-eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.rowCount?4(parent=None)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel.setSourceModel?4(sourceModel)
 eric6.WebBrowser.History.HistoryFilterModel.HistoryFilterModel?1(sourceModel, parent=None)
 eric6.WebBrowser.History.HistoryManager.HISTORY_VERSION?7
@@ -10173,13 +10173,13 @@
 eric6.WebBrowser.History.HistoryMenu.HistoryMenu?1(parent=None, tabWidget=None)
 eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.MOVEDROWS?7
 eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.bumpedRows?4()
-eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.columnCount?4(parent=QModelIndex())
-eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.index?4(row, column, parent=QModelIndex())
+eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.columnCount?4(parent=None)
+eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.index?4(row, column, parent=None)
 eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.mapFromSource?4(sourceIndex)
 eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.mapToSource?4(proxyIndex)
 eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.mimeData?4(indexes)
 eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.parent?4(index)
-eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel.rowCount?4(parent=None)
 eric6.WebBrowser.History.HistoryMenu.HistoryMenuModel?1(sourceModel, parent=None)
 eric6.WebBrowser.History.HistoryMenu.HistoryMostVisitedMenu.newBackgroundTab?7
 eric6.WebBrowser.History.HistoryMenu.HistoryMostVisitedMenu.newPrivateWindow?7
@@ -10196,26 +10196,26 @@
 eric6.WebBrowser.History.HistoryModel.HistoryModel.TitleRole?7
 eric6.WebBrowser.History.HistoryModel.HistoryModel.UrlRole?7
 eric6.WebBrowser.History.HistoryModel.HistoryModel.UrlStringRole?7
-eric6.WebBrowser.History.HistoryModel.HistoryModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.History.HistoryModel.HistoryModel.columnCount?4(parent=None)
 eric6.WebBrowser.History.HistoryModel.HistoryModel.data?4(index, role=Qt.DisplayRole)
 eric6.WebBrowser.History.HistoryModel.HistoryModel.entryAdded?4()
 eric6.WebBrowser.History.HistoryModel.HistoryModel.entryUpdated?4(row)
 eric6.WebBrowser.History.HistoryModel.HistoryModel.headerData?4(section, orientation, role=Qt.DisplayRole)
 eric6.WebBrowser.History.HistoryModel.HistoryModel.historyReset?4()
-eric6.WebBrowser.History.HistoryModel.HistoryModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.History.HistoryModel.HistoryModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.History.HistoryModel.HistoryModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.History.HistoryModel.HistoryModel.rowCount?4(parent=None)
 eric6.WebBrowser.History.HistoryModel.HistoryModel?1(historyManager, parent=None)
-eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.columnCount?4(parent=None)
 eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.data?4(index, role=Qt.DisplayRole)
 eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.flags?4(index)
-eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.hasChildren?4(parent=QModelIndex())
+eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.hasChildren?4(parent=None)
 eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.index?4(row, column, parent=QModelIndex())
+eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.index?4(row, column, parent=None)
 eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.mapFromSource?4(sourceIndex)
 eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.mapToSource?4(proxyIndex)
 eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.parent?4(index)
-eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.rowCount?4(parent=None)
 eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel.setSourceModel?4(sourceModel)
 eric6.WebBrowser.History.HistoryTreeModel.HistoryTreeModel?1(sourceModel, parent=None)
 eric6.WebBrowser.ImageSearch.ImageSearchEngine.ImageSearchEngine.getSearchQuery?4(imageUrl, searchEngine=None)
@@ -10327,12 +10327,12 @@
 eric6.WebBrowser.OpenSearch.OpenSearchEngine.OpenSearchEngine.suggestionsUrlTemplate?4()
 eric6.WebBrowser.OpenSearch.OpenSearchEngine.OpenSearchEngine?1(parent=None)
 eric6.WebBrowser.OpenSearch.OpenSearchEngineAction.OpenSearchEngineAction?1(engine, parent=None)
-eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.columnCount?4(parent=None)
 eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.data?4(index, role)
 eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.flags?4(index)
 eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.rowCount?4(parent=None)
 eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel.setData?4(index, value, role=Qt.EditRole)
 eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.OpenSearchEngineModel?1(manager, parent=None)
 eric6.WebBrowser.OpenSearch.OpenSearchManager.OpenSearchManager.addEngine?4(engine)
@@ -10387,11 +10387,11 @@
 eric6.WebBrowser.Passwords.PasswordManager.PasswordManager.siteInfo?4(site)
 eric6.WebBrowser.Passwords.PasswordManager.PasswordManager.sitesCount?4()
 eric6.WebBrowser.Passwords.PasswordManager.PasswordManager?1(parent=None)
-eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.columnCount?4(parent=None)
 eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.data?4(index, role)
 eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.rowCount?4(parent=None)
 eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.setShowPasswords?4(on)
 eric6.WebBrowser.Passwords.PasswordModel.PasswordModel.showPasswords?4()
 eric6.WebBrowser.Passwords.PasswordModel.PasswordModel?1(manager, parent=None)
@@ -10782,11 +10782,11 @@
 eric6.WebBrowser.UserAgent.UserAgentManager.UserAgentManager.userAgentSettingsSaved?7
 eric6.WebBrowser.UserAgent.UserAgentManager.UserAgentManager?1(parent=None)
 eric6.WebBrowser.UserAgent.UserAgentMenu.UserAgentMenu?1(title, url=None, parent=None)
-eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel.columnCount?4(parent=None)
 eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel.data?4(index, role)
 eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel.rowCount?4(parent=None)
 eric6.WebBrowser.UserAgent.UserAgentModel.UserAgentModel?1(manager, parent=None)
 eric6.WebBrowser.UserAgent.UserAgentReader.UserAgentReader.read?4(fileNameOrDevice)
 eric6.WebBrowser.UserAgent.UserAgentReader.UserAgentReader?1()
@@ -11087,11 +11087,11 @@
 eric6.WebBrowser.ZoomManager.ZoomManager._ZoomManager?8
 eric6.WebBrowser.ZoomManager.ZoomManager.instance?4()
 eric6.WebBrowser.ZoomManager.ZoomValuesDialog.ZoomValuesDialog?1(parent=None)
-eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel.columnCount?4(parent=QModelIndex())
+eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel.columnCount?4(parent=None)
 eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel.data?4(index, role)
 eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel.headerData?4(section, orientation, role=Qt.DisplayRole)
-eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel.removeRows?4(row, count, parent=QModelIndex())
-eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel.rowCount?4(parent=QModelIndex())
+eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel.removeRows?4(row, count, parent=None)
+eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel.rowCount?4(parent=None)
 eric6.WebBrowser.ZoomManager.ZoomValuesModel.ZoomValuesModel?1(manager, parent=None)
 eric6.cleanupSource.cleanupSource?4(dirName)
 eric6.cleanupSource.main?4(argv)

--- a/Debugger/BreakPointModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Debugger/BreakPointModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -44,16 +44,16 @@
                            Qt.Alignment(Qt.AlignHCenter),
                            ]
 
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the current column count.
         
-        @param parent reference to parent index (QModelIndex)
+        @param parent reference to parent index (QModelIndex) (Unused)
         @return column count (integer)
         """
         return len(self.header)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the current row count.
         
@@ -61,7 +61,7 @@
         @return row count (integer)
         """
         # we do not have a tree, parent should always be invalid
-        if not parent.isValid():
+        if parent is None or not parent.isValid():
             return len(self.breakpoints)
         else:
             return 0
@@ -143,7 +143,7 @@
         
         return None
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -152,7 +152,7 @@
         @param parent index of the parent item (QModelIndex)
         @return requested index (QModelIndex)
         """
-        if parent.isValid() or \
+        if (parent and parent.isValid()) or \
            row < 0 or row >= len(self.breakpoints) or \
            column < 0 or column >= len(self.header):
             return QModelIndex()
@@ -168,14 +168,14 @@
         """
         return QModelIndex()
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check for the presence of child items.
         
         @param parent index of parent item (QModelIndex)
         @return flag indicating the presence of child items (boolean)
         """
-        if not parent.isValid():
+        if parent is None or not parent.isValid():
             return len(self.breakpoints) > 0
         else:
             return False

--- a/Debugger/WatchPointModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Debugger/WatchPointModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -41,16 +41,16 @@
                            Qt.Alignment(Qt.AlignRight),
                            ]
         
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the current column count.
         
-        @param parent index of the parent item (QModelIndex)
+        @param parent index of the parent item (QModelIndex) (Unused)
         @return column count (integer)
         """
         return len(self.header)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the current row count.
         
@@ -58,7 +58,7 @@
         @return row count (integer)
         """
         # we do not have a tree, parent should always be invalid
-        if not parent.isValid():
+        if parent is None or not parent.isValid():
             return len(self.watchpoints)
         else:
             return 0
@@ -121,7 +121,7 @@
         
         return None
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -130,7 +130,7 @@
         @param parent index of the parent item (QModelIndex)
         @return requested index (QModelIndex)
         """
-        if parent.isValid() or \
+        if (parent and parent.isValid()) or \
            row < 0 or row >= len(self.watchpoints) or \
            column < 0 or column >= len(self.header):
             return QModelIndex()
@@ -146,14 +146,14 @@
         """
         return QModelIndex()
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check for the presence of child items.
         
         @param parent index of parent item (QModelIndex)
         @return flag indicating the presence of child items (boolean)
         """
-        if not parent.isValid():
+        if parent is None or not parent.isValid():
             return len(self.watchpoints) > 0
         else:
             return False

Binary file Documentation/Help/source.qch has changed

--- a/Documentation/Source/eric6.Debugger.BreakPointModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Debugger.BreakPointModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -149,13 +149,13 @@
 </dd>
 </dl><a NAME="BreakPointModel.columnCount" ID="BreakPointModel.columnCount"></a>
 <h4>BreakPointModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the current column count.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-reference to parent index (QModelIndex)
+reference to parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -257,7 +257,7 @@
 </dd>
 </dl><a NAME="BreakPointModel.hasChildren" ID="BreakPointModel.hasChildren"></a>
 <h4>BreakPointModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check for the presence of child items.
 </p><dl>
@@ -293,7 +293,7 @@
 </dd>
 </dl><a NAME="BreakPointModel.index" ID="BreakPointModel.index"></a>
 <h4>BreakPointModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -344,7 +344,7 @@
 </dd>
 </dl><a NAME="BreakPointModel.rowCount" ID="BreakPointModel.rowCount"></a>
 <h4>BreakPointModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the current row count.
 </p><dl>

--- a/Documentation/Source/eric6.Debugger.WatchPointModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Debugger.WatchPointModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -143,13 +143,13 @@
 </dd>
 </dl><a NAME="WatchPointModel.columnCount" ID="WatchPointModel.columnCount"></a>
 <h4>WatchPointModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the current column count.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-index of the parent item (QModelIndex)
+index of the parent item (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -253,7 +253,7 @@
 </dd>
 </dl><a NAME="WatchPointModel.hasChildren" ID="WatchPointModel.hasChildren"></a>
 <h4>WatchPointModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check for the presence of child items.
 </p><dl>
@@ -289,7 +289,7 @@
 </dd>
 </dl><a NAME="WatchPointModel.index" ID="WatchPointModel.index"></a>
 <h4>WatchPointModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -325,7 +325,7 @@
 </dd>
 </dl><a NAME="WatchPointModel.rowCount" ID="WatchPointModel.rowCount"></a>
 <h4>WatchPointModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the current row count.
 </p><dl>

--- a/Documentation/Source/eric6.E5Gui.E5TreeSortFilterProxyModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.E5Gui.E5TreeSortFilterProxyModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -104,7 +104,7 @@
 </dd>
 </dl><a NAME="E5TreeSortFilterProxyModel.hasChildren" ID="E5TreeSortFilterProxyModel.hasChildren"></a>
 <h4>E5TreeSortFilterProxyModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check, if a parent node has some children.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.Bookmarks.AddBookmarkDialog.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.Bookmarks.AddBookmarkDialog.html	Thu Mar 23 19:06:13 2017 +0100
@@ -337,7 +337,7 @@
 </dd>
 </dl><a NAME="AddBookmarkProxyModel.hasChildren" ID="AddBookmarkProxyModel.hasChildren"></a>
 <h4>AddBookmarkProxyModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check, if a parent node has some children.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.Bookmarks.BookmarksModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.Bookmarks.BookmarksModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -151,7 +151,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.columnCount" ID="BookmarksModel.columnCount"></a>
 <h4>BookmarksModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -262,7 +262,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.hasChildren" ID="BookmarksModel.hasChildren"></a>
 <h4>BookmarksModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check, if a parent node has some children.
 </p><dl>
@@ -298,7 +298,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.index" ID="BookmarksModel.index"></a>
 <h4>BookmarksModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to get a model index for a node cell.
 </p><dl>
@@ -374,7 +374,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.parent" ID="BookmarksModel.parent"></a>
 <h4>BookmarksModel.parent</h4>
-<b>parent</b>(<i>index=QModelIndex()</i>)
+<b>parent</b>(<i>index=None</i>)
 <p>
         Public method to get the index of the parent node.
 </p><dl>
@@ -389,7 +389,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.removeRows" ID="BookmarksModel.removeRows"></a>
 <h4>BookmarksModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove bookmarks from the model.
 </p><dl>
@@ -410,7 +410,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.rowCount" ID="BookmarksModel.rowCount"></a>
 <h4>BookmarksModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.CookieJar.CookieExceptionsModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.CookieJar.CookieExceptionsModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -136,7 +136,7 @@
 </dd>
 </dl><a NAME="CookieExceptionsModel.columnCount" ID="CookieExceptionsModel.columnCount"></a>
 <h4>CookieExceptionsModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
@@ -190,7 +190,7 @@
 </dd>
 </dl><a NAME="CookieExceptionsModel.removeRows" ID="CookieExceptionsModel.removeRows"></a>
 <h4>CookieExceptionsModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -211,7 +211,7 @@
 </dd>
 </dl><a NAME="CookieExceptionsModel.rowCount" ID="CookieExceptionsModel.rowCount"></a>
 <h4>CookieExceptionsModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.CookieJar.CookieModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.CookieJar.CookieModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -103,7 +103,7 @@
         Private slot handling changes of the cookies list in the cookie jar.
 </p><a NAME="CookieModel.columnCount" ID="CookieModel.columnCount"></a>
 <h4>CookieModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
@@ -157,7 +157,7 @@
 </dd>
 </dl><a NAME="CookieModel.removeRows" ID="CookieModel.removeRows"></a>
 <h4>CookieModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -178,7 +178,7 @@
 </dd>
 </dl><a NAME="CookieModel.rowCount" ID="CookieModel.rowCount"></a>
 <h4>CookieModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.Download.DownloadModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.Download.DownloadModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -143,7 +143,7 @@
 </dd>
 </dl><a NAME="DownloadModel.removeRows" ID="DownloadModel.removeRows"></a>
 <h4>DownloadModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove bookmarks from the model.
 </p><dl>
@@ -164,7 +164,7 @@
 </dd>
 </dl><a NAME="DownloadModel.rowCount" ID="DownloadModel.rowCount"></a>
 <h4>DownloadModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.History.HistoryFilterModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.History.HistoryFilterModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -292,7 +292,7 @@
 </dd>
 </dl><a NAME="HistoryFilterModel.columnCount" ID="HistoryFilterModel.columnCount"></a>
 <h4>HistoryFilterModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -376,7 +376,7 @@
 </dd>
 </dl><a NAME="HistoryFilterModel.index" ID="HistoryFilterModel.index"></a>
 <h4>HistoryFilterModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -447,7 +447,7 @@
         Public method to recalculate the frequencies.
 </p><a NAME="HistoryFilterModel.removeRows" ID="HistoryFilterModel.removeRows"></a>
 <h4>HistoryFilterModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -468,7 +468,7 @@
 </dd>
 </dl><a NAME="HistoryFilterModel.rowCount" ID="HistoryFilterModel.rowCount"></a>
 <h4>HistoryFilterModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.History.HistoryMenu.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.History.HistoryMenu.html	Thu Mar 23 19:06:13 2017 +0100
@@ -262,7 +262,7 @@
 </dd>
 </dl><a NAME="HistoryMenuModel.columnCount" ID="HistoryMenuModel.columnCount"></a>
 <h4>HistoryMenuModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -277,7 +277,7 @@
 </dd>
 </dl><a NAME="HistoryMenuModel.index" ID="HistoryMenuModel.index"></a>
 <h4>HistoryMenuModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -358,7 +358,7 @@
 </dd>
 </dl><a NAME="HistoryMenuModel.rowCount" ID="HistoryMenuModel.rowCount"></a>
 <h4>HistoryMenuModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.History.HistoryModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.History.HistoryModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -105,7 +105,7 @@
 </dd>
 </dl><a NAME="HistoryModel.columnCount" ID="HistoryModel.columnCount"></a>
 <h4>HistoryModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -179,7 +179,7 @@
         Public slot to reset the model.
 </p><a NAME="HistoryModel.removeRows" ID="HistoryModel.removeRows"></a>
 <h4>HistoryModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove history entries from the model.
 </p><dl>
@@ -200,7 +200,7 @@
 </dd>
 </dl><a NAME="HistoryModel.rowCount" ID="HistoryModel.rowCount"></a>
 <h4>HistoryModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.History.HistoryTreeModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.History.HistoryTreeModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -181,7 +181,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.columnCount" ID="HistoryTreeModel.columnCount"></a>
 <h4>HistoryTreeModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -229,7 +229,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.hasChildren" ID="HistoryTreeModel.hasChildren"></a>
 <h4>HistoryTreeModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check, if an entry has some children.
 </p><dl>
@@ -265,7 +265,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.index" ID="HistoryTreeModel.index"></a>
 <h4>HistoryTreeModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -331,7 +331,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.removeRows" ID="HistoryTreeModel.removeRows"></a>
 <h4>HistoryTreeModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -352,7 +352,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.rowCount" ID="HistoryTreeModel.rowCount"></a>
 <h4>HistoryTreeModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.OfflineStorage.WebDatabasesModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.OfflineStorage.WebDatabasesModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -119,7 +119,7 @@
 </dd>
 </dl><a NAME="WebDatabasesModel.columnCount" ID="WebDatabasesModel.columnCount"></a>
 <h4>WebDatabasesModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -152,7 +152,7 @@
 </dd>
 </dl><a NAME="WebDatabasesModel.hasChildren" ID="WebDatabasesModel.hasChildren"></a>
 <h4>WebDatabasesModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check, if a parent node has some children.
 </p><dl>
@@ -188,7 +188,7 @@
 </dd>
 </dl><a NAME="WebDatabasesModel.index" ID="WebDatabasesModel.index"></a>
 <h4>WebDatabasesModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to get a model index for an entry.
 </p><dl>
@@ -209,7 +209,7 @@
 </dd>
 </dl><a NAME="WebDatabasesModel.parent" ID="WebDatabasesModel.parent"></a>
 <h4>WebDatabasesModel.parent</h4>
-<b>parent</b>(<i>index=QModelIndex()</i>)
+<b>parent</b>(<i>index=None</i>)
 <p>
         Public method to get the index of the parent entry.
 </p><dl>
@@ -224,7 +224,7 @@
 </dd>
 </dl><a NAME="WebDatabasesModel.removeRows" ID="WebDatabasesModel.removeRows"></a>
 <h4>WebDatabasesModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove databases from the model.
 </p><dl>
@@ -245,7 +245,7 @@
 </dd>
 </dl><a NAME="WebDatabasesModel.rowCount" ID="WebDatabasesModel.rowCount"></a>
 <h4>WebDatabasesModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.OpenSearch.OpenSearchEngineModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -110,13 +110,13 @@
         Private slot handling a change of the registered engines.
 </p><a NAME="OpenSearchEngineModel.columnCount" ID="OpenSearchEngineModel.columnCount"></a>
 <h4>OpenSearchEngineModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-parent index (QModelIndex)
+parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -179,7 +179,7 @@
 </dd>
 </dl><a NAME="OpenSearchEngineModel.removeRows" ID="OpenSearchEngineModel.removeRows"></a>
 <h4>OpenSearchEngineModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -200,7 +200,7 @@
 </dd>
 </dl><a NAME="OpenSearchEngineModel.rowCount" ID="OpenSearchEngineModel.rowCount"></a>
 <h4>OpenSearchEngineModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.Passwords.PasswordModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.Passwords.PasswordModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -109,13 +109,13 @@
         Private slot handling a change of the registered passwords.
 </p><a NAME="PasswordModel.columnCount" ID="PasswordModel.columnCount"></a>
 <h4>PasswordModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-parent index (QModelIndex)
+parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -163,7 +163,7 @@
 </dd>
 </dl><a NAME="PasswordModel.removeRows" ID="PasswordModel.removeRows"></a>
 <h4>PasswordModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -184,7 +184,7 @@
 </dd>
 </dl><a NAME="PasswordModel.rowCount" ID="PasswordModel.rowCount"></a>
 <h4>PasswordModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.UserAgent.UserAgentModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.UserAgent.UserAgentModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -103,13 +103,13 @@
         Private slot handling a change of the registered user agent strings.
 </p><a NAME="UserAgentModel.columnCount" ID="UserAgentModel.columnCount"></a>
 <h4>UserAgentModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-parent index (QModelIndex)
+parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -157,7 +157,7 @@
 </dd>
 </dl><a NAME="UserAgentModel.removeRows" ID="UserAgentModel.removeRows"></a>
 <h4>UserAgentModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -178,7 +178,7 @@
 </dd>
 </dl><a NAME="UserAgentModel.rowCount" ID="UserAgentModel.rowCount"></a>
 <h4>UserAgentModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.Helpviewer.ZoomManager.ZoomValuesModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.Helpviewer.ZoomManager.ZoomValuesModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -103,13 +103,13 @@
         Private slot handling a change of the registered zoom values.
 </p><a NAME="ZoomValuesModel.columnCount" ID="ZoomValuesModel.columnCount"></a>
 <h4>ZoomValuesModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-parent index (QModelIndex)
+parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -157,7 +157,7 @@
 </dd>
 </dl><a NAME="ZoomValuesModel.removeRows" ID="ZoomValuesModel.removeRows"></a>
 <h4>ZoomValuesModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -178,7 +178,7 @@
 </dd>
 </dl><a NAME="ZoomValuesModel.rowCount" ID="ZoomValuesModel.rowCount"></a>
 <h4>ZoomValuesModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.UI.BrowserModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.UI.BrowserModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -1783,7 +1783,7 @@
 </dd>
 </dl><a NAME="BrowserModel.addItem" ID="BrowserModel.addItem"></a>
 <h4>BrowserModel.addItem</h4>
-<b>addItem</b>(<i>itm, parent=QModelIndex()</i>)
+<b>addItem</b>(<i>itm, parent=None</i>)
 <p>
         Public slot to add an item.
 </p><dl>
@@ -1811,7 +1811,7 @@
         Public method to clear the model.
 </p><a NAME="BrowserModel.columnCount" ID="BrowserModel.columnCount"></a>
 <h4>BrowserModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -1869,7 +1869,7 @@
 </dd>
 </dl><a NAME="BrowserModel.hasChildren" ID="BrowserModel.hasChildren"></a>
 <h4>BrowserModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check for the presence of child items.
 </p><p>
@@ -1908,7 +1908,7 @@
 </dd>
 </dl><a NAME="BrowserModel.index" ID="BrowserModel.index"></a>
 <h4>BrowserModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -2083,7 +2083,7 @@
 </dd>
 </dl><a NAME="BrowserModel.rowCount" ID="BrowserModel.rowCount"></a>
 <h4>BrowserModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.UI.BrowserSortFilterProxyModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.UI.BrowserSortFilterProxyModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -117,7 +117,7 @@
 </dd>
 </dl><a NAME="BrowserSortFilterProxyModel.hasChildren" ID="BrowserSortFilterProxyModel.hasChildren"></a>
 <h4>BrowserSortFilterProxyModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check for the presence of child items.
 </p><p>

--- a/Documentation/Source/eric6.WebBrowser.Bookmarks.AddBookmarkDialog.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.Bookmarks.AddBookmarkDialog.html	Thu Mar 23 19:06:13 2017 +0100
@@ -337,7 +337,7 @@
 </dd>
 </dl><a NAME="AddBookmarkProxyModel.hasChildren" ID="AddBookmarkProxyModel.hasChildren"></a>
 <h4>AddBookmarkProxyModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check, if a parent node has some children.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.Bookmarks.BookmarksModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.Bookmarks.BookmarksModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -151,7 +151,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.columnCount" ID="BookmarksModel.columnCount"></a>
 <h4>BookmarksModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -262,7 +262,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.hasChildren" ID="BookmarksModel.hasChildren"></a>
 <h4>BookmarksModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check, if a parent node has some children.
 </p><dl>
@@ -298,7 +298,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.index" ID="BookmarksModel.index"></a>
 <h4>BookmarksModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to get a model index for a node cell.
 </p><dl>
@@ -374,7 +374,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.parent" ID="BookmarksModel.parent"></a>
 <h4>BookmarksModel.parent</h4>
-<b>parent</b>(<i>index=QModelIndex()</i>)
+<b>parent</b>(<i>index=None</i>)
 <p>
         Public method to get the index of the parent node.
 </p><dl>
@@ -389,7 +389,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.removeRows" ID="BookmarksModel.removeRows"></a>
 <h4>BookmarksModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove bookmarks from the model.
 </p><dl>
@@ -410,7 +410,7 @@
 </dd>
 </dl><a NAME="BookmarksModel.rowCount" ID="BookmarksModel.rowCount"></a>
 <h4>BookmarksModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.CookieJar.CookieExceptionsModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.CookieJar.CookieExceptionsModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -136,7 +136,7 @@
 </dd>
 </dl><a NAME="CookieExceptionsModel.columnCount" ID="CookieExceptionsModel.columnCount"></a>
 <h4>CookieExceptionsModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
@@ -190,7 +190,7 @@
 </dd>
 </dl><a NAME="CookieExceptionsModel.removeRows" ID="CookieExceptionsModel.removeRows"></a>
 <h4>CookieExceptionsModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -211,7 +211,7 @@
 </dd>
 </dl><a NAME="CookieExceptionsModel.rowCount" ID="CookieExceptionsModel.rowCount"></a>
 <h4>CookieExceptionsModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.Download.DownloadModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.Download.DownloadModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -143,7 +143,7 @@
 </dd>
 </dl><a NAME="DownloadModel.removeRows" ID="DownloadModel.removeRows"></a>
 <h4>DownloadModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove bookmarks from the model.
 </p><dl>
@@ -164,7 +164,7 @@
 </dd>
 </dl><a NAME="DownloadModel.rowCount" ID="DownloadModel.rowCount"></a>
 <h4>DownloadModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.History.HistoryFilterModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.History.HistoryFilterModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -292,7 +292,7 @@
 </dd>
 </dl><a NAME="HistoryFilterModel.columnCount" ID="HistoryFilterModel.columnCount"></a>
 <h4>HistoryFilterModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -376,7 +376,7 @@
 </dd>
 </dl><a NAME="HistoryFilterModel.index" ID="HistoryFilterModel.index"></a>
 <h4>HistoryFilterModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -447,7 +447,7 @@
         Public method to recalculate the frequencies.
 </p><a NAME="HistoryFilterModel.removeRows" ID="HistoryFilterModel.removeRows"></a>
 <h4>HistoryFilterModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -468,7 +468,7 @@
 </dd>
 </dl><a NAME="HistoryFilterModel.rowCount" ID="HistoryFilterModel.rowCount"></a>
 <h4>HistoryFilterModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.History.HistoryMenu.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.History.HistoryMenu.html	Thu Mar 23 19:06:13 2017 +0100
@@ -273,7 +273,7 @@
 </dd>
 </dl><a NAME="HistoryMenuModel.columnCount" ID="HistoryMenuModel.columnCount"></a>
 <h4>HistoryMenuModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -288,7 +288,7 @@
 </dd>
 </dl><a NAME="HistoryMenuModel.index" ID="HistoryMenuModel.index"></a>
 <h4>HistoryMenuModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -369,7 +369,7 @@
 </dd>
 </dl><a NAME="HistoryMenuModel.rowCount" ID="HistoryMenuModel.rowCount"></a>
 <h4>HistoryMenuModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.History.HistoryModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.History.HistoryModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -105,7 +105,7 @@
 </dd>
 </dl><a NAME="HistoryModel.columnCount" ID="HistoryModel.columnCount"></a>
 <h4>HistoryModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -179,7 +179,7 @@
         Public slot to reset the model.
 </p><a NAME="HistoryModel.removeRows" ID="HistoryModel.removeRows"></a>
 <h4>HistoryModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove history entries from the model.
 </p><dl>
@@ -200,7 +200,7 @@
 </dd>
 </dl><a NAME="HistoryModel.rowCount" ID="HistoryModel.rowCount"></a>
 <h4>HistoryModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.History.HistoryTreeModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.History.HistoryTreeModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -181,7 +181,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.columnCount" ID="HistoryTreeModel.columnCount"></a>
 <h4>HistoryTreeModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns.
 </p><dl>
@@ -229,7 +229,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.hasChildren" ID="HistoryTreeModel.hasChildren"></a>
 <h4>HistoryTreeModel.hasChildren</h4>
-<b>hasChildren</b>(<i>parent=QModelIndex()</i>)
+<b>hasChildren</b>(<i>parent=None</i>)
 <p>
         Public method to check, if an entry has some children.
 </p><dl>
@@ -265,7 +265,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.index" ID="HistoryTreeModel.index"></a>
 <h4>HistoryTreeModel.index</h4>
-<b>index</b>(<i>row, column, parent=QModelIndex()</i>)
+<b>index</b>(<i>row, column, parent=None</i>)
 <p>
         Public method to create an index.
 </p><dl>
@@ -331,7 +331,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.removeRows" ID="HistoryTreeModel.removeRows"></a>
 <h4>HistoryTreeModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -352,7 +352,7 @@
 </dd>
 </dl><a NAME="HistoryTreeModel.rowCount" ID="HistoryTreeModel.rowCount"></a>
 <h4>HistoryTreeModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to determine the number of rows.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.OpenSearch.OpenSearchEngineModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -110,13 +110,13 @@
         Private slot handling a change of the registered engines.
 </p><a NAME="OpenSearchEngineModel.columnCount" ID="OpenSearchEngineModel.columnCount"></a>
 <h4>OpenSearchEngineModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-parent index (QModelIndex)
+parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -179,7 +179,7 @@
 </dd>
 </dl><a NAME="OpenSearchEngineModel.removeRows" ID="OpenSearchEngineModel.removeRows"></a>
 <h4>OpenSearchEngineModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -200,7 +200,7 @@
 </dd>
 </dl><a NAME="OpenSearchEngineModel.rowCount" ID="OpenSearchEngineModel.rowCount"></a>
 <h4>OpenSearchEngineModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.Passwords.PasswordModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.Passwords.PasswordModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -109,13 +109,13 @@
         Private slot handling a change of the registered passwords.
 </p><a NAME="PasswordModel.columnCount" ID="PasswordModel.columnCount"></a>
 <h4>PasswordModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-parent index (QModelIndex)
+parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -163,7 +163,7 @@
 </dd>
 </dl><a NAME="PasswordModel.removeRows" ID="PasswordModel.removeRows"></a>
 <h4>PasswordModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -184,7 +184,7 @@
 </dd>
 </dl><a NAME="PasswordModel.rowCount" ID="PasswordModel.rowCount"></a>
 <h4>PasswordModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.UserAgent.UserAgentModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.UserAgent.UserAgentModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -103,13 +103,13 @@
         Private slot handling a change of the registered user agent strings.
 </p><a NAME="UserAgentModel.columnCount" ID="UserAgentModel.columnCount"></a>
 <h4>UserAgentModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-parent index (QModelIndex)
+parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -157,7 +157,7 @@
 </dd>
 </dl><a NAME="UserAgentModel.removeRows" ID="UserAgentModel.removeRows"></a>
 <h4>UserAgentModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -178,7 +178,7 @@
 </dd>
 </dl><a NAME="UserAgentModel.rowCount" ID="UserAgentModel.rowCount"></a>
 <h4>UserAgentModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/Documentation/Source/eric6.WebBrowser.ZoomManager.ZoomValuesModel.html	Thu Mar 23 18:58:56 2017 +0100
+++ b/Documentation/Source/eric6.WebBrowser.ZoomManager.ZoomValuesModel.html	Thu Mar 23 19:06:13 2017 +0100
@@ -103,13 +103,13 @@
         Private slot handling a change of the registered zoom values.
 </p><a NAME="ZoomValuesModel.columnCount" ID="ZoomValuesModel.columnCount"></a>
 <h4>ZoomValuesModel.columnCount</h4>
-<b>columnCount</b>(<i>parent=QModelIndex()</i>)
+<b>columnCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of columns of the model.
 </p><dl>
 <dt><i>parent</i></dt>
 <dd>
-parent index (QModelIndex)
+parent index (QModelIndex) (Unused)
 </dd>
 </dl><dl>
 <dt>Returns:</dt>
@@ -157,7 +157,7 @@
 </dd>
 </dl><a NAME="ZoomValuesModel.removeRows" ID="ZoomValuesModel.removeRows"></a>
 <h4>ZoomValuesModel.removeRows</h4>
-<b>removeRows</b>(<i>row, count, parent=QModelIndex()</i>)
+<b>removeRows</b>(<i>row, count, parent=None</i>)
 <p>
         Public method to remove entries from the model.
 </p><dl>
@@ -178,7 +178,7 @@
 </dd>
 </dl><a NAME="ZoomValuesModel.rowCount" ID="ZoomValuesModel.rowCount"></a>
 <h4>ZoomValuesModel.rowCount</h4>
-<b>rowCount</b>(<i>parent=QModelIndex()</i>)
+<b>rowCount</b>(<i>parent=None</i>)
 <p>
         Public method to get the number of rows of the model.
 </p><dl>

--- a/E5Gui/E5TreeSortFilterProxyModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/E5Gui/E5TreeSortFilterProxyModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -44,12 +44,14 @@
         return QSortFilterProxyModel.filterAcceptsRow(
             self, sourceRow, sourceParent)
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check, if a parent node has some children.
         
         @param parent index of the parent node (QModelIndex)
         @return flag indicating the presence of children (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
         sindex = self.mapToSource(parent)
         return self.sourceModel().hasChildren(sindex)

--- a/Helpviewer/Bookmarks/AddBookmarkDialog.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/Bookmarks/AddBookmarkDialog.py	Thu Mar 23 19:06:13 2017 +0100
@@ -57,13 +57,15 @@
         """
         return sourceColumn == 0
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check, if a parent node has some children.
         
         @param parent index of the parent node (QModelIndex)
         @return flag indicating the presence of children (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
         sindex = self.mapToSource(parent)
         return self.sourceModel().hasChildren(sindex)
 

--- a/Helpviewer/Bookmarks/BookmarksModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/Bookmarks/BookmarksModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -108,7 +108,7 @@
         idx = self.nodeIndex(node)
         self.dataChanged.emit(idx, idx)
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove bookmarks from the model.
         
@@ -117,6 +117,9 @@
         @param parent index of the parent bookmark node (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or count <= 0 or row + count > self.rowCount(parent):
             return False
         
@@ -198,25 +201,31 @@
         
         return None
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.column() > 0:
             return 0
         else:
             return len(self.__headers)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.column() > 0:
             return 0
         
@@ -226,7 +235,7 @@
         itm = parent.internalPointer()
         return len(itm.children())
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to get a model index for a node cell.
         
@@ -235,6 +244,9 @@
         @param parent index of the parent (QModelIndex)
         @return index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or column < 0 or \
            row >= self.rowCount(parent) or column >= self.columnCount(parent):
             return QModelIndex()
@@ -242,14 +254,14 @@
         parentNode = self.node(parent)
         return self.createIndex(row, column, parentNode.children()[row])
     
-    def parent(self, index=QModelIndex()):
+    def parent(self, index=None):
         """
         Public method to get the index of the parent node.
         
         @param index index of the child node (QModelIndex)
         @return index of the parent node (QModelIndex)
         """
-        if not index.isValid():
+        if index is None or not index.isValid():
             return QModelIndex()
         
         itemNode = self.node(index)
@@ -267,14 +279,14 @@
         parentRow = grandParentNode.children().index(parentNode)
         return self.createIndex(parentRow, 0, parentNode)
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check, if a parent node has some children.
         
         @param parent index of the parent node (QModelIndex)
         @return flag indicating the presence of children (boolean)
         """
-        if not parent.isValid():
+        if parent is None or not parent.isValid():
             return True
         
         from .BookmarkNode import BookmarkNode

--- a/Helpviewer/CookieJar/CookieExceptionsModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/CookieJar/CookieExceptionsModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -103,25 +103,31 @@
         
         return None
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
         @param parent parent index (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return len(self.__headers)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid() or self.__cookieJar is None:
             return 0
         else:
@@ -129,7 +135,7 @@
                 len(self.__blockedCookies) + \
                 len(self.__sessionCookies)
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -138,6 +144,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid() or self.__cookieJar is None:
             return False
         

--- a/Helpviewer/CookieJar/CookieModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/CookieJar/CookieModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -99,31 +99,37 @@
         
         return None
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
         @param parent parent index (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return len(self.__headers)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid() or self.__cookieJar is None:
             return 0
         else:
             return len(self.__cookieJar.cookies())
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -132,6 +138,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid() or self.__cookieJar is None:
             return False
         

--- a/Helpviewer/Download/DownloadModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/Download/DownloadModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -45,19 +45,22 @@
         
         return None
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.count()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove bookmarks from the model.
         
@@ -66,6 +69,9 @@
         @param parent index of the parent bookmark node (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         

--- a/Helpviewer/History/HistoryFilterModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/History/HistoryFilterModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -169,25 +169,31 @@
         self.__loaded = False
         self.endResetModel()
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         self.__load()
         if parent.isValid():
             return 0
         return len(self.__historyDict)
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         return self.sourceModel().columnCount(self.mapToSource(parent))
     
     def mapToSource(self, proxyIndex):
@@ -222,7 +228,7 @@
         
         return self.createIndex(row, sourceIndex.column(), sourceOffset)
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -231,6 +237,9 @@
         @param parent index of the parent item (QModelIndex)
         @return requested index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         self.__load()
         if row < 0 or row >= self.rowCount(parent) or \
            column < 0 or column >= self.columnCount(parent):
@@ -318,7 +327,7 @@
         """
         self.__sourceReset()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -327,6 +336,9 @@
         @param parent index of the parent entry (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or \
            count <= 0 or \
            row + count > self.rowCount(parent) or \

--- a/Helpviewer/History/HistoryMenu.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/History/HistoryMenu.py	Thu Mar 23 19:06:13 2017 +0100
@@ -55,22 +55,28 @@
             return 0
         return min(self.__treeModel.rowCount(first), self.MOVEDROWS)
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         return self.__treeModel.columnCount(self.mapToSource(parent))
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.column() > 0:
             return 0
         
@@ -133,7 +139,7 @@
         treeIndex = self.__treeModel.mapFromSource(historyIndex)
         return treeIndex
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -142,6 +148,9 @@
         @param parent index of the parent item (QModelIndex)
         @return requested index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or \
            column < 0 or \
            column >= self.columnCount(parent) or \

--- a/Helpviewer/History/HistoryModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/History/HistoryModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -120,31 +120,37 @@
         
         return None
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return len(self.__headers)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return len(self.__historyManager.history())
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove history entries from the model.
         
@@ -153,6 +159,9 @@
         @param parent index of the parent entry (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         

--- a/Helpviewer/History/HistoryTreeModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/History/HistoryTreeModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -82,22 +82,28 @@
         
         return QAbstractProxyModel.data(self, index, role)
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         return self.sourceModel().columnCount(self.mapToSource(parent))
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.internalId() != 0 or \
            parent.column() > 0 or \
            self.sourceModel() is None:
@@ -161,7 +167,7 @@
         return self.sourceModel().index(
             startDateRow + proxyIndex.row(), proxyIndex.column())
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -170,6 +176,9 @@
         @param parent index of the parent item (QModelIndex)
         @return requested index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or \
            column < 0 or \
            column >= self.columnCount(parent) or \
@@ -192,13 +201,16 @@
             return QModelIndex()
         return self.createIndex(offset - 1, 0, 0)
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check, if an entry has some children.
         
         @param parent index of the entry to check (QModelIndex)
         @return flag indicating the presence of children (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         grandparent = parent.parent()
         if not grandparent.isValid():
             return True
@@ -299,7 +311,7 @@
         row = sourceIndex.row() - self.__sourceRowCache[dateRow]
         return self.createIndex(row, sourceIndex.column(), dateRow + 1)
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -308,6 +320,9 @@
         @param parent index of the parent entry (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or \
            count <= 0 or \
            row + count > self.rowCount(parent):

--- a/Helpviewer/OfflineStorage/WebDatabasesModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/OfflineStorage/WebDatabasesModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -35,7 +35,7 @@
         for origin in QWebSecurityOrigin.allOrigins():
             self.__data.append([origin, origin.databases()])
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove databases from the model.
         
@@ -44,6 +44,9 @@
         @param parent index of the security origin (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or count <= 0 or row + count > self.rowCount(parent):
             return False
         
@@ -122,25 +125,31 @@
                 elif index.column() == 1:
                     return self.__dataString(db.size())
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.column() > 0:
             return 0
         else:
             return len(self.__headers)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.column() > 0:
             return 0
         
@@ -149,7 +158,7 @@
         else:
             return len(self.__data[parent.row()][1])
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to get a model index for an entry.
         
@@ -158,6 +167,9 @@
         @param parent index of the parent (QModelIndex)
         @return index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or column < 0 or \
            row >= self.rowCount(parent) or column >= self.columnCount(parent):
             return QModelIndex()
@@ -167,13 +179,16 @@
         else:
             return self.createIndex(row, column, sys.maxsize)
     
-    def parent(self, index=QModelIndex()):
+    def parent(self, index=None):
         """
         Public method to get the index of the parent entry.
         
         @param index index of the child entry (QModelIndex)
         @return index of the parent entry (QModelIndex)
         """
+        if index is None:
+            index = QModelIndex()
+        
         if not index.isValid():
             return QModelIndex()
         
@@ -182,13 +197,16 @@
         
         return self.createIndex(index.internalId(), 0)
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check, if a parent node has some children.
         
         @param parent index of the parent node (QModelIndex)
         @return flag indicating the presence of children (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if not parent.isValid():
             return True
         

--- a/Helpviewer/OpenSearch/OpenSearchEngineModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/OpenSearch/OpenSearchEngineModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -37,7 +37,7 @@
             self.tr("Keywords"),
         ]
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -46,6 +46,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         
@@ -68,23 +71,26 @@
         
         return True
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.enginesCount()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
-        @param parent parent index (QModelIndex)
+        @param parent parent index (QModelIndex) (Unused)
         @return number of columns (integer)
         """
         return 2

--- a/Helpviewer/Passwords/PasswordModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/Passwords/PasswordModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -61,7 +61,7 @@
         self.beginResetModel()
         self.endResetModel()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -70,6 +70,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         
@@ -89,23 +92,26 @@
         
         return True
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.sitesCount()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
-        @param parent parent index (QModelIndex)
+        @param parent parent index (QModelIndex) (Unused)
         @return number of columns (integer)
         """
         if self.__showPasswords:

--- a/Helpviewer/UserAgent/UserAgentModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/UserAgent/UserAgentModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -40,7 +40,7 @@
         self.beginResetModel()
         self.endResetModel()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -49,6 +49,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         
@@ -68,23 +71,26 @@
         
         return True
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.hostsCount()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
-        @param parent parent index (QModelIndex)
+        @param parent parent index (QModelIndex) (Unused)
         @return number of columns (integer)
         """
         return len(self.__headers)

--- a/Helpviewer/ZoomManager/ZoomValuesModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/Helpviewer/ZoomManager/ZoomValuesModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -40,7 +40,7 @@
         self.beginResetModel()
         self.endResetModel()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -49,6 +49,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         
@@ -65,23 +68,26 @@
         
         return True
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.sitesCount()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
-        @param parent parent index (QModelIndex)
+        @param parent parent index (QModelIndex) (Unused)
         @return number of columns (integer)
         """
         return len(self.__headers)

--- a/UI/BrowserModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/UI/BrowserModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -68,13 +68,16 @@
             
             self.__populateModel()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent item (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             item = parent.internalPointer()
         else:
@@ -143,7 +146,7 @@
         
         return None
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -152,6 +155,9 @@
         @param parent index of parent item (QModelIndex)
         @return index object (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         # The model/view framework considers negative values out-of-bounds,
         # however in python they work when indexing into lists. So make sure
         # we return an invalid index for out-of-bounds row/col
@@ -193,13 +199,16 @@
         
         return self.createIndex(parentItem.row(), 0, parentItem)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows.
         
         @param parent index of parent item (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         # Only the first column should have children
         if parent.column() > 0:
             return 0
@@ -213,7 +222,7 @@
         
         return parentItem.childCount()
 
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check for the presence of child items.
         
@@ -223,6 +232,9 @@
         @param parent index of parent item (QModelIndex)
         @return flag indicating the presence of child items (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         # Only the first column should have children
         if parent.column() > 0:
             return 0
@@ -483,13 +495,16 @@
         """
         parentItem.appendChild(itm)
     
-    def addItem(self, itm, parent=QModelIndex()):
+    def addItem(self, itm, parent=None):
         """
         Public slot to add an item.
         
         @param itm item to add (BrowserItem)
         @param parent index of parent item (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if not parent.isValid():
             parentItem = self.rootItem
         else:

--- a/UI/BrowserSortFilterProxyModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/UI/BrowserSortFilterProxyModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -71,7 +71,7 @@
         sindex = self.mapToSource(index)
         return self.sourceModel().item(sindex)
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check for the presence of child items.
         
@@ -81,6 +81,8 @@
         @param parent index of parent item (QModelIndex)
         @return flag indicating the presence of child items (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
         sindex = self.mapToSource(parent)
         return self.sourceModel().hasChildren(sindex)
 

--- a/WebBrowser/Bookmarks/AddBookmarkDialog.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/Bookmarks/AddBookmarkDialog.py	Thu Mar 23 19:06:13 2017 +0100
@@ -57,13 +57,15 @@
         """
         return sourceColumn == 0
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check, if a parent node has some children.
         
         @param parent index of the parent node (QModelIndex)
         @return flag indicating the presence of children (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
         sindex = self.mapToSource(parent)
         return self.sourceModel().hasChildren(sindex)
 

--- a/WebBrowser/Bookmarks/BookmarksModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/Bookmarks/BookmarksModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -109,7 +109,7 @@
         idx = self.nodeIndex(node)
         self.dataChanged.emit(idx, idx)
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove bookmarks from the model.
         
@@ -118,6 +118,9 @@
         @param parent index of the parent bookmark node (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or count <= 0 or row + count > self.rowCount(parent):
             return False
         
@@ -202,25 +205,31 @@
         
         return None
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.column() > 0:
             return 0
         else:
             return len(self.__headers)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.column() > 0:
             return 0
         
@@ -230,7 +239,7 @@
         itm = parent.internalPointer()
         return len(itm.children())
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to get a model index for a node cell.
         
@@ -239,6 +248,9 @@
         @param parent index of the parent (QModelIndex)
         @return index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or column < 0 or \
            row >= self.rowCount(parent) or column >= self.columnCount(parent):
             return QModelIndex()
@@ -246,13 +258,16 @@
         parentNode = self.node(parent)
         return self.createIndex(row, column, parentNode.children()[row])
     
-    def parent(self, index=QModelIndex()):
+    def parent(self, index=None):
         """
         Public method to get the index of the parent node.
         
         @param index index of the child node (QModelIndex)
         @return index of the parent node (QModelIndex)
         """
+        if index is None:
+            index = QModelIndex()
+        
         if not index.isValid():
             return QModelIndex()
         
@@ -271,13 +286,16 @@
         parentRow = grandParentNode.children().index(parentNode)
         return self.createIndex(parentRow, 0, parentNode)
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check, if a parent node has some children.
         
         @param parent index of the parent node (QModelIndex)
         @return flag indicating the presence of children (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if not parent.isValid():
             return True
         

--- a/WebBrowser/CookieJar/CookieExceptionsModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/CookieJar/CookieExceptionsModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -103,25 +103,31 @@
         
         return None
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
         @param parent parent index (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return len(self.__headers)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid() or self.__cookieJar is None:
             return 0
         else:
@@ -129,7 +135,7 @@
                 len(self.__blockedCookies) + \
                 len(self.__sessionCookies)
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -138,6 +144,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid() or self.__cookieJar is None:
             return False
         

--- a/WebBrowser/Download/DownloadModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/Download/DownloadModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -45,19 +45,22 @@
         
         return None
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.count()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove bookmarks from the model.
         
@@ -66,6 +69,9 @@
         @param parent index of the parent bookmark node (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         

--- a/WebBrowser/History/HistoryFilterModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/History/HistoryFilterModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -169,25 +169,31 @@
         self.__loaded = False
         self.endResetModel()
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         self.__load()
         if parent.isValid():
             return 0
         return len(self.__historyDict)
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         return self.sourceModel().columnCount(self.mapToSource(parent))
     
     def mapToSource(self, proxyIndex):
@@ -222,7 +228,7 @@
         
         return self.createIndex(row, sourceIndex.column(), sourceOffset)
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -231,6 +237,9 @@
         @param parent index of the parent item (QModelIndex)
         @return requested index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         self.__load()
         if row < 0 or row >= self.rowCount(parent) or \
            column < 0 or column >= self.columnCount(parent):
@@ -318,7 +327,7 @@
         """
         self.__sourceReset()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -327,6 +336,9 @@
         @param parent index of the parent entry (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or \
            count <= 0 or \
            row + count > self.rowCount(parent) or \

--- a/WebBrowser/History/HistoryMenu.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/History/HistoryMenu.py	Thu Mar 23 19:06:13 2017 +0100
@@ -55,22 +55,28 @@
             return 0
         return min(self.__treeModel.rowCount(first), self.MOVEDROWS)
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         return self.__treeModel.columnCount(self.mapToSource(parent))
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.column() > 0:
             return 0
         
@@ -133,7 +139,7 @@
         treeIndex = self.__treeModel.mapFromSource(historyIndex)
         return treeIndex
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -142,6 +148,9 @@
         @param parent index of the parent item (QModelIndex)
         @return requested index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or \
            column < 0 or \
            column >= self.columnCount(parent) or \

--- a/WebBrowser/History/HistoryModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/History/HistoryModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -121,31 +121,37 @@
         
         return None
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return len(self.__headers)
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return len(self.__historyManager.history())
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove history entries from the model.
         
@@ -154,6 +160,9 @@
         @param parent index of the parent entry (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         

--- a/WebBrowser/History/HistoryTreeModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/History/HistoryTreeModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -82,22 +82,28 @@
         
         return QAbstractProxyModel.data(self, index, role)
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns.
         
         @param parent index of parent (QModelIndex)
         @return number of columns (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         return self.sourceModel().columnCount(self.mapToSource(parent))
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to determine the number of rows.
         
         @param parent index of parent (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.internalId() != 0 or \
            parent.column() > 0 or \
            self.sourceModel() is None:
@@ -161,7 +167,7 @@
         return self.sourceModel().index(
             startDateRow + proxyIndex.row(), proxyIndex.column())
     
-    def index(self, row, column, parent=QModelIndex()):
+    def index(self, row, column, parent=None):
         """
         Public method to create an index.
         
@@ -170,6 +176,9 @@
         @param parent index of the parent item (QModelIndex)
         @return requested index (QModelIndex)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or \
            column < 0 or \
            column >= self.columnCount(parent) or \
@@ -192,13 +201,16 @@
             return QModelIndex()
         return self.createIndex(offset - 1, 0, 0)
     
-    def hasChildren(self, parent=QModelIndex()):
+    def hasChildren(self, parent=None):
         """
         Public method to check, if an entry has some children.
         
         @param parent index of the entry to check (QModelIndex)
         @return flag indicating the presence of children (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         grandparent = parent.parent()
         if not grandparent.isValid():
             return True
@@ -299,7 +311,7 @@
         row = sourceIndex.row() - self.__sourceRowCache[dateRow]
         return self.createIndex(row, sourceIndex.column(), dateRow + 1)
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -308,6 +320,9 @@
         @param parent index of the parent entry (QModelIndex)
         @return flag indicating successful removal (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if row < 0 or \
            count <= 0 or \
            row + count > self.rowCount(parent):

--- a/WebBrowser/OpenSearch/OpenSearchEngineModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/OpenSearch/OpenSearchEngineModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -37,7 +37,7 @@
             self.tr("Keywords"),
         ]
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -46,6 +46,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         
@@ -68,23 +71,26 @@
         
         return True
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.enginesCount()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
-        @param parent parent index (QModelIndex)
+        @param parent parent index (QModelIndex) (Unused)
         @return number of columns (integer)
         """
         return 2

--- a/WebBrowser/Passwords/PasswordModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/Passwords/PasswordModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -61,7 +61,7 @@
         self.beginResetModel()
         self.endResetModel()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -70,6 +70,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         
@@ -89,23 +92,26 @@
         
         return True
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.sitesCount()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
-        @param parent parent index (QModelIndex)
+        @param parent parent index (QModelIndex) (Unused)
         @return number of columns (integer)
         """
         if self.__showPasswords:

--- a/WebBrowser/UserAgent/UserAgentModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/UserAgent/UserAgentModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -40,7 +40,7 @@
         self.beginResetModel()
         self.endResetModel()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -49,6 +49,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         
@@ -65,23 +68,26 @@
         
         return True
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.hostsCount()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
-        @param parent parent index (QModelIndex)
+        @param parent parent index (QModelIndex) (Unused)
         @return number of columns (integer)
         """
         return len(self.__headers)

--- a/WebBrowser/ZoomManager/ZoomValuesModel.py	Thu Mar 23 18:58:56 2017 +0100
+++ b/WebBrowser/ZoomManager/ZoomValuesModel.py	Thu Mar 23 19:06:13 2017 +0100
@@ -40,7 +40,7 @@
         self.beginResetModel()
         self.endResetModel()
     
-    def removeRows(self, row, count, parent=QModelIndex()):
+    def removeRows(self, row, count, parent=None):
         """
         Public method to remove entries from the model.
         
@@ -49,6 +49,9 @@
         @param parent parent index (QModelIndex)
         @return flag indicating success (boolean)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return False
         
@@ -65,23 +68,26 @@
         
         return True
     
-    def rowCount(self, parent=QModelIndex()):
+    def rowCount(self, parent=None):
         """
         Public method to get the number of rows of the model.
         
         @param parent parent index (QModelIndex)
         @return number of rows (integer)
         """
+        if parent is None:
+            parent = QModelIndex()
+        
         if parent.isValid():
             return 0
         else:
             return self.__manager.sitesCount()
     
-    def columnCount(self, parent=QModelIndex()):
+    def columnCount(self, parent=None):
         """
         Public method to get the number of columns of the model.
         
-        @param parent parent index (QModelIndex)
+        @param parent parent index (QModelIndex) (Unused)
         @return number of columns (integer)
         """
         return len(self.__headers)