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

Traceback (most recent call last):

  File "/usr/lib/python2.3/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/usr/lib/python2.3/site-packages/django/core/handlers/modpython.py", line 177, in handler
    return ModPythonHandler()(req)

  File "/usr/lib/python2.3/site-packages/django/core/handlers/modpython.py", line 150, in __call__
    response = self.get_response(request)

  File "/usr/lib/python2.3/site-packages/django/core/handlers/base.py", line 102, in get_response
    callback, param_dict = resolver.resolve404()

  File "/usr/lib/python2.3/site-packages/django/core/urlresolvers.py", line 197, in resolve404
    return self._resolve_special('404')

  File "/usr/lib/python2.3/site-packages/django/core/urlresolvers.py", line 189, in _resolve_special
    callback = getattr(self.urlconf_module, 'handler%s' % view_type)

AttributeError: 'module' object has no attribute 'handler404'