If you're using the Debian package, something like this should work (as the python libraries are installed into /usr/share/pyshared):
patch -p2 -d /usr/share/pyshared < patchfile
I patched the file and it seems to be working! :).
http://www.romijnfotografie.nl/web/gbe2cw.png
Thanks for your support and fast fixing this issue.
Rene.