--- a/Helpviewer/HelpTocWidget.py	Sun Jun 19 17:50:39 2011 +0200
+++ b/Helpviewer/HelpTocWidget.py	Sun Jun 19 19:36:27 2011 +0200
@@ -29,7 +29,7 @@
         @param mainWindow reference to the main window object (QMainWindow)
         @param parent reference to the parent widget (QWidget)
         """
-        QWidget.__init__(self, parent)
+        super().__init__(parent)
         
         self.__engine = engine
         self.__mw = mainWindow