--- a/Helpviewer/History/HistoryModel.py	Sun Mar 24 13:52:12 2013 +0100
+++ b/Helpviewer/History/HistoryModel.py	Mon Mar 25 03:11:06 2013 +0100
@@ -7,6 +7,8 @@
 Module implementing the history model.
 """
 
+from __future__ import unicode_literals    # __IGNORE_WARNING__
+
 from PyQt4.QtCore import Qt, QAbstractTableModel, QModelIndex, QUrl
 
 import Helpviewer.HelpWindow
@@ -30,7 +32,7 @@
         @param historyManager reference to the history manager object (HistoryManager)
         @param parent reference to the parent object (QObject)
         """
-        super().__init__(parent)
+        super(HistoryModel, self).__init__(parent)
         
         self.__historyManager = historyManager