I found the same problem on 12.04 - fixed by adding "WSSGIPythonPath $WSGIPythonPath|/usr/share/pyshared/ " to /etc/apache2/mods-available/wsgi.conf
I found the same problem on 12.04 - fixed by adding "WSSGIPythonPath $WSGIPythonPath |/usr/share/ pyshared/ mods-available/ wsgi.conf
" to /etc/apache2/