Mod_python error: "PythonHandler django.core.handlers.modpython"

Traceback (most recent call last):

 File "/usr/lib/python2.5/site-packages/mod_python/apache.py", line
287, in HandlerDispatch
   log=debug)

 File "/usr/lib/python2.5/site-packages/mod_python/apache.py", line
461, in import_module
   f, p, d = imp.find_module(parts[i], path)

ImportError: No module named core