Workaround for the problem where Trac would fail when run in multiple interpreters using mod_python (see http://groups.yahoo.com/group/ClearSilver/message/267)
Workaround for the problem where Trac would fail when run in multiple interpreters using mod_python (see http://groups.yahoo.com/group/ClearSilver/message/267)

git-svn-id: 0d96b0c1a6983ccc08b3732614f4d6bfcf9cbb42@710 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac