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

Traceback (most recent call last):

  File "/usr/lib/python2.4/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/var/web/django/core/handlers/modpython.py", line 212, in handler
    return ModPythonHandler()(req)

  File "/var/web/django/core/handlers/modpython.py", line 190, in __call__
    response = self.get_response(request)

  File "/var/web/django/core/handlers/base.py", line 169, in get_response
    response = self.handle_uncaught_exception(request, resolver, sys.exc_info())

  File "/var/web/django/core/handlers/base.py", line 214, in handle_uncaught_exception
    if resolver.urlconf_module is None:

  File "/var/web/django/core/urlresolvers.py", line 274, in _get_urlconf_module
    self._urlconf_module = import_module(self.urlconf_name)

  File "/var/web/django/utils/importlib.py", line 35, in import_module
    __import__(name)

  File "/var/web/aanestin/urls.py", line 4, in ?
    from aanestin.voting.models import Poll

  File "/var/web/aanestin/voting/models.py", line 18, in ?
    class Poll(models.Model):

  File "/var/web/aanestin/voting/models.py", line 19, in Poll
    title = models.CharField(maxlength=255)

  File "/var/web/django/db/models/fields/__init__.py", line 545, in __init__
    super(CharField, self).__init__(*args, **kwargs)

TypeError: __init__() got an unexpected keyword argument 'maxlength'