--- a/eric6/APIs/Python3/eric6.bas	Wed Dec 30 12:31:25 2020 +0100
+++ b/eric6/APIs/Python3/eric6.bas	Wed Dec 30 13:45:26 2020 +0100
@@ -60,7 +60,7 @@
 BrowserSortFilterProxyModel QSortFilterProxyModel
 BrowserSysPathItem BrowserItem
 BugBearVisitor ast.NodeVisitor
-CallStackViewer QTreeWidget
+CallStackViewer QWidget
 CallTraceViewer QWidget Ui_CallTraceViewer
 ChangeBookmarkCommand QUndoCommand
 Charset str