...and just to cleanup and clarify, in "ms.py", I had to go back and edit it to be: global MyTreeView instead of just simply "MyTreeView" which I wrote before... -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.riverbankcomputing.com/pipermail/pyqt/attachments/20110407/0b852e0e/attachment.html>