I had a similar but simple problem (the file was missing) and had to check by hand before calling wxPython.
Can you check the tag by hand before calling wxPython ? Philippe Iain King wrote: > I have a wxpython program that displays TIF images. Sometimes it will > encounter a tag the tiff loader cant handle. Rather than silently > ignoring it, it pops up a window: > > Python Warning > unknown field with tag blah blah > > I don't want it to do this, but I can't work out how to turn it off. > Anyone know? > > Iain -- http://mail.python.org/mailman/listinfo/python-list