def delete(self, doc):
        if doc.id is None:
            raise DatabaseException('Document does not have id')
        if doc.sid is None:
            try:
                rs = self.db.docs.remove({'id': doc.id}, safe=True)
                assert rs['n'] == 1
            except Exception as e:
                raise DatabaseException(e)
            return None
        doc.data = None
        return self.update(doc)
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())