Comment 20 for bug 561303

The full diff isn't needed and contains new features that aren't the sort we generally accept for an SRU. The relevant bit of the diff to fix this problem is:

=== modified file 'sip/QtGui/qapplication.sip'
--- sip/QtGui/qapplication.sip revid:<email address hidden>
+++ sip/QtGui/qapplication.sip revid:<email address hidden>
@@ -1,4 +1,4 @@
-// qapplication.sip generated by MetaSIP on Wed Mar 17 18:29:25 2010
+// qapplication.sip generated by MetaSIP on Fri Apr 16 11:32:08 2010
 //
 // This file is part of the QtGui Python extension module.
 //
@@ -596,13 +596,17 @@
 %End
     virtual ~QApplication();
 %MethodCode
- // Make sure all top level widgets are deleted before the QApplication. This
- // is a typical cause of crashes (or at least strange behaviour) when an
- // application terminates.
+ // Make sure all top level widgets are not owned by Python and so won't be
+ // destroyed by the garbage collector after QApplication is destroyed.
         QWidgetList tlw = QApplication::topLevelWidgets();

         for (int i = 0; i < tlw.count(); ++i)
- delete tlw.at(i);
+ {
+ PyObject *sw = sipGetPyObject(tlw.at(i), sipType_QWidget);
+
+ if (sw)
+ sipTransferTo(sw, 0);
+ }

         // Handle all other QObject instances that we want to make sure are deleted
         // before the QApplication is deleted.

Please don't do the full version update. Do a new one with this as a patch.