def scalar(self):
        row = self.first()
        if row is not None:
            return row[0]
        else:
            return None
Add a permission to a queue.
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/engine/result.py/ResultProxy.scalar--crossover with--dataset/ETHPy150Open darcyliu/storyboard/boto/sqs/queue.py/Queue.add_permission