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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def expire(self, name, time):
 """ Allow the key to expire after ``time`` seconds. :param name: str the name of the redis key :param time: time expressed in seconds. :return: Future() """

        with self.pipe as pipe:
            return pipe.expire(self.redis_key(name), time)