Just to update. I tried a reinstall of python-pyogg and python-pyvorbis, and that seems to have fixed the problem. Perhaps the python upgrade didn't search for installed packages from a previous version.
-- Michael A. Marsh http://www.umiacs.umd.edu/~mmarsh http://mamarsh.blogspot.com -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]