def read(self, visibility_timeout=None):
        rs = self.get_messages(1, visibility_timeout)
        if len(rs) == 1:
            return rs[0]
        else:
            return None
Return an instance of the class with required values set
dataset/ETHPy150Open darcyliu/storyboard/boto/sqs/queue.py/Queue.read--crossover with--dataset/ETHPy150Open ga4gh/server/ga4gh/avrotools.py/Creator.getDefaultInstance