--- a/Plugins/PluginVmListspace.py	Sun Jun 19 17:50:39 2011 +0200
+++ b/Plugins/PluginVmListspace.py	Sun Jun 19 19:36:27 2011 +0200
@@ -52,7 +52,7 @@
         
         @param ui reference to the user interface object (UI.UserInterface)
         """
-        QObject.__init__(self, ui)
+        super().__init__(ui)
         self.__ui = ui
 
     def activate(self):