Mod_python error: "PythonHandler roundup.cgi.apache"

Traceback (most recent call last):

  File "/usr/lib/python2.6/site-packages/mod_python/apache.py", line 287, in HandlerDispatch
    log=debug)

  File "/usr/lib/python2.6/site-packages/mod_python/apache.py", line 461, in import_module
    f, p, d = imp.find_module(parts[i], path)

ImportError: No module named roundup