Index: include/bindings/python/pcdirector.i
===================================================================
--- include/bindings/python/pcdirector.i        (revision 3087)
+++ include/bindings/python/pcdirector.i        (working copy)
@@ -65,6 +65,7 @@
 %feature("nodirector") pyPcCommon::GetTag;
 %feature("nodirector") pyPcCommon::GetEntity;
 %feature("nodirector") pyPcCommon::LoadFirstPass;
+%feature("nodirector") pyPcCommon::PropertyClassesHaveChanged;
 %feature("nodirector") pyPcCommon::AddPropertyChangeCallback;
 %feature("nodirector") pyPcCommon::RemovePropertyChangeCallback;
 %feature("nodirector") pyPcCommon::GetPersistentData;
@@ -183,6 +184,7 @@
         }
         virtual PyObject *GetPythonObject()
         {
+           Py_INCREF(pySelf);
            return pySelf;
         }