Apache logs in mode debug:
[Tue Dec 21 11:36:33 2010] [info] [client 1.53.149.114] mod_wsgi (pid=24831, process=\'mysite\', application=\'mysite.com|\'): Loading
Try to delete this
WSGISocketPrefix /tmp/wsgi
And this
WSGIDaemonProcess mysite processes=5 threads=25 WSGIProcessGroup mysite
On my server it works.