--- a/Plugins/VcsPlugins/vcsMercurial/QueuesExtension/HgQueuesHeaderDialog.py	Sun Jun 19 17:50:39 2011 +0200
+++ b/Plugins/VcsPlugins/vcsMercurial/QueuesExtension/HgQueuesHeaderDialog.py	Sun Jun 19 19:36:27 2011 +0200
@@ -30,7 +30,7 @@
         @param vcs reference to the vcs object
         @param parent reference to the parent widget (QWidget)
         """
-        QDialog.__init__(self, parent)
+        super().__init__(parent)
         self.setupUi(self)
         
         self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)