def __missing__(self, key):
        if self.default_factory is None:
            raise KeyError(key)
        else:
            ret = self[key] = self.default_factory(name=key)
            return ret
def test_question_reviewers_not_needed_if_no_reviewers_no_sugestions(
            self):
        stats = suggestion_services.get_community_contribution_stats()
        self._assert_community_contribution_stats_is_in_default_state()

        self.assertFalse(stats.are_question_reviewers_needed())