example use with wxPython?

Am I doing something wrong? I guess I'll go back to version

    > 0.32 for a while.

No, it appears your CVS mirror is behind. This happens all the time.
Here is a snapshot

  http://nitace.bsd.uchicago.edu:8080/files/share/matplotlib-0.40g.tar.gz

    > By the way, when I run the python setup.py install command
    > will the script properly overwrite the existing version of
    > the matplotlib library, or should I go in and delete the old
    > library first?

The installer will overwrite files but will not delete files that are
no longer used. There is no harm in deleting the old library and it
might do some good.

    > Thanks!

No problem ...

JDH