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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:
 async def route_msg(self, msg):
 """Given a message, route it either to the incoming queue, or to the future associated with its correlation_id. """

        if msg.correlation_id in self._futures:
            self._set_reply(msg.correlation_id, msg)
        else:
            await self._push_incoming(msg)