# Pastebin WeKBXjGx
Traceback (most recent call last):
  File "/home/aditi/Mailman3/venv2/local/lib/python2.7/site-packages/Django-1.9.6-py2.7.egg/django/core/handlers/base.py", line 149, in get_response
    response = self.process_exception_by_middleware(e, request)
  File "/home/aditi/Mailman3/venv2/local/lib/python2.7/site-packages/Django-1.9.6-py2.7.egg/django/core/handlers/base.py", line 147, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/aditi/Mailman3/postorius/src/postorius/views/list.py", line 541, in list_index
    lists = sorted(List.objects.all(only_public=only_public),
  File "/home/aditi/Mailman3/postorius/src/postorius/models.py", line 142, in all
    objects = getattr(get_client(), self.resource_name_plural)
  File "/home/aditi/Mailman3/mailmanclient/src/mailmanclient/_client.py", line 429, in lists
    response, content = self._connection.call('lists')
  File "/home/aditi/Mailman3/mailmanclient/src/mailmanclient/_client.py", line 111, in call
    raise HTTPError(url, response.status, content, response, None)
HTTPError: HTTP Error 500: A server error occurred.  Please contact the administrator.
[13/May/2016 05:06:28] "GET / HTTP/1.1" 500 86210