--- a/Plugins/PluginWizardQRegularExpression.py	Sat Oct 19 12:28:12 2013 +0200
+++ b/Plugins/PluginWizardQRegularExpression.py	Sat Oct 19 13:03:39 2013 +0200
@@ -118,7 +118,7 @@
         """
         editor = e5App().getObject("ViewManager").activeWindow()
         
-        if editor == None:
+        if editor is None:
             E5MessageBox.critical(
                 self.__ui,
                 self.trUtf8('No current editor'),