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 "/home/ubernostrum/pylib/django/core/handlers/modpython.py", line 177, in handler
    return ModPythonHandler()(req)

  File "/home/ubernostrum/pylib/django/core/handlers/modpython.py", line 150, in __call__
    response = self.get_response(request)

  File "/home/ubernostrum/pylib/django/core/handlers/base.py", line 125, in get_response
    callback, param_dict = resolver.resolve500()

  File "/home/ubernostrum/pylib/django/core/urlresolvers.py", line 200, in resolve500
    return self._resolve_special('500')

  File "/home/ubernostrum/pylib/django/core/urlresolvers.py", line 189, in _resolve_special
    callback = getattr(self.urlconf_module, 'handler%s' % view_type)

  File "/home/ubernostrum/pylib/django/core/urlresolvers.py", line 177, in _get_urlconf_module
    self._urlconf_module = __import__(self.urlconf_name, {}, {}, [''])

  File "/home/ubernostrum/pylib/snippets/urls.py", line 6, in ?
    from cab import feeds

  File "/home/ubernostrum/pylib/cab/feeds.py", line 8, in ?
    current_site = Site.objects.get_current().name

  File "/home/ubernostrum/pylib/django/contrib/sites/models.py", line 7, in get_current
    return self.get(pk=settings.SITE_ID)

  File "/home/ubernostrum/pylib/django/db/models/manager.py", line 73, in get
    return self.get_query_set().get(*args, **kwargs)

  File "/home/ubernostrum/pylib/django/db/models/query.py", line 246, in get
    obj_list = list(clone)

  File "/home/ubernostrum/pylib/django/db/models/query.py", line 107, in __iter__
    return iter(self._get_data())

  File "/home/ubernostrum/pylib/django/db/models/query.py", line 465, in _get_data
    self._result_cache = list(self.iterator())

  File "/home/ubernostrum/pylib/django/db/models/query.py", line 179, in iterator
    cursor = connection.cursor()

  File "/home/ubernostrum/pylib/django/db/backends/postgresql/base.py", line 76, in cursor
    self.connection = Database.connect(conn_string, **self.options)

OperationalError: could not connect to server: No such file or directory
	Is the server running locally and accepting
	connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"?