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我试图让MQTTtoROS桥的工作，我不断收到此错误：msgpack-蟒蛇未能反序列化 - >而额外获得错误
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 754, in run
self.__target(*self.__args, **self.__kwargs)
File "/home/animu/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 2627, in _thread_main
self.loop_forever(retry_first_connection=True)
File "/home/animu/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 1407, in loop_forever
rc = self.loop(timeout, max_packets)
File "/home/animu/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 923, in loop
rc = self.loop_read(max_packets)
File "/home/animu/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 1206, in loop_read
rc = self._packet_read()
File "/home/animu/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 1799, in _packet_read
rc = self._packet_handle()
File "/home/animu/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 2275, in _packet_handle
return self._handle_publish()
File "/home/animu/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 2461, in _handle_publish
self._handle_on_message(message)
File "/home/animu/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 2615, in _handle_on_message
t[1](self, self._userdata, message)
File "/home/animu/catkin_ws/src/mqtt_bridge-master/src/mqtt_bridge/bridge.py", line 114, in _callback_mqtt
ros_msg = self._create_ros_message(mqtt_msg)
File "/home/animu/catkin_ws/src/mqtt_bridge-master/src/mqtt_bridge/bridge.py", line 124, in _create_ros_message
msg_dict = self._deserialize(mqtt_msg.payload)
File "msgpack/_unpacker.pyx", line 143, in msgpack._unpacker.unpackb (msgpack/_unpacker.cpp:2143)
ExtraData: unpack(b) received extra data.
我不能在互联网上找到它的任何东西，因为这座桥是我猜不常用的。唯一类似的问题是在盐和卡夫卡，但解决办法无处可寻。所有的python库都是最新的，我再次检查。网桥将消息从RoS发送到MQTT，没有任何问题，包括STR和BOOL类型。从MQTT发送的任何消息最终都会出现此错误，并且没有ROS的接收。