def get_last_tid(self):
        try:
            spec = {'tid': {'$gt': 0}}
            sort = [('tid', -1)]
            row = self.db.docs.find_one(spec, sort=sort)
        except Exception as e:
            raise DatabaseException(e)
        if row:
            return row['tid']
        return 0
def test_question_reviewers_not_needed_if_num_suggestions_less_max(self):
        stats = suggestion_services.get_community_contribution_stats()
        stats.question_suggestion_count = 1
        stats.question_reviewer_count = 2
        config_services.set_property(
            'committer_id', 'max_number_of_suggestions_per_reviewer', 1)

        reviewers_are_needed = stats.are_question_reviewers_needed()

        self.assertFalse(reviewers_are_needed)