--- a/Graphics/UMLDialog.py	Sun Jun 19 17:50:39 2011 +0200
+++ b/Graphics/UMLDialog.py	Sun Jun 19 19:36:27 2011 +0200
@@ -27,7 +27,7 @@
         @param parent parent widget of the view (QWidget)
         @param name name of the view widget (string)
         """
-        QMainWindow.__init__(self, parent)
+        super().__init__(parent)
         
         if not name:
             self.setObjectName("UMLDialog")