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I used this client with AIiyun MQ, it gives an exception `No route info of this topic`. Every param I used is working with Java SDK from Aliyun Docs. ``` producer = Producer(group_id) producer.set_namesrv_addr(server_addr) # producer.set_namesrv_domain('http://onsaddr-internet.aliyun.com/rocketmq/nsaddr4client-internet') producer.set_session_credentials(app_key, secret, 'ALIYUN') producer.start() msg = Message(topic) msg.set_keys("hd_test") msg.set_tags("test") msg.set_body("This is a test message from python.") ret = producer.send_sync(msg) print(ret) producer.shutdown() ```