[mod_python] PythonAutoReload problem?

hallo

i am using mod_python, for a short time.
i found out that if i made some changes in script sometimes changes doesn't
show, i see only old version of script...

is there any problem with PythonAutoReload directive?
in my httpd.conf i have it explicitly set to "On"

my httpd.conf:
SetHandler mod_python
PythonHandler mod_python.publisher
PythonEnablePdb Off
PythonDebug On
PythonOption session "DbmSession"
PythonAutoReload On

mod_python version 3.2.10
apache version 2.0.58

thanks for any answer