paraformer问题
在Mac上运行官网上的paraformer实时语音识别示例代码，得到错误信息如下，请问是什么问题，如何修复？
Task exception was never retrieved
future: exception=ClientConnectionResetError('Cannot write to closing transport')>
Traceback (most recent call last):
File "/Users/austin/PycharmProjects/pythonProject/venv/lib/python3.9/site-packages/dashscope/api_entities/websocket_request.py", line 269, in _send_continue_task_data
await ws.send_bytes(input)
File "/Users/austin/PycharmProjects/pythonProject/venv/lib/python3.9/site-packages/aiohttp/client_ws.py", line 252, in send_bytes
await self._writer.send_frame(data, WSMsgType.BINARY, compress=compress)
File "/Users/austin/PycharmProjects/pythonProject/venv/lib/python3.9/site-packages/aiohttp/_websocket/writer.py", line 73, in send_frame
raise ClientConnectionResetError("Cannot write to closing transport")
aiohttp.client_exceptions.ClientConnectionResetError: Cannot write to closing transport
Traceback (most recent call last):
File "/Users/austin/PycharmProjects/pythonProject/Python/paraformer.py", line 71, in
raise e
File "/Users/austin/PycharmProjects/pythonProject/Python/paraformer.py", line 62, in
recognition.send_audio_frame(audio_data)
File "/Users/austin/PycharmProjects/pythonProject/venv/lib/python3.9/site-packages/dashscope/audio/asr/recognition.py", line 462, in send_audio_frame
raise InvalidParameter('Speech recognition has stopped.')
dashscope.common.error.InvalidParameter: Speech recognition has stopped.
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