Python caches objects for reuse, but I'm not too certain on how it works, either. Seems a bit odd. I just tested on 2.6.5 and got the same result. This hasn't been a problem for me, though. Cheers, Xav -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-list/attachments/20100405/a979844e/attachment.html>