asyncadb 文件 await connector.start(connect_timeout=timeout) 经常性报错

[hong-0220]

[E 221025 13:30:41 main:269] Unknown error: 'NoneType' object has no attribute 'send_cmd'
Traceback (most recent call last):
File "D:\ATX\hong\atxserver2-android-provider\asyncadb.py", line 72, in connect
stream = await TCPClient().connect(adb_host, adb_port)
File "D:\Python37\lib\site-packages\tornado\tcpclient.py", line 275, in connect
af, addr, stream = await connector.start(connect_timeout=timeout)
File "D:\Python37\lib\asyncio\tasks.py", line 318, in __wakeup
future.result()
File "D:\Python37\lib\site-packages\tornado\tcpclient.py", line 138, in on_connect_done
stream = future.result()
tornado.iostream.StreamClosedError: Stream is closed

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "main.py", line 249, in device_watch
await device.init()
File "D:\ATX\hong\atxserver2-android-provider\device.py", line 62, in init
await self._init_forwards()
File "D:\ATX\hong\atxserver2-android-provider\device.py", line 168, in _init_forwards
self._whatsinput_port = await self.proxy_device_port(6677)
File "D:\ATX\hong\atxserver2-android-provider\device.py", line 212, in proxy_device_port
local_port = await self.adb_forward_to_any("tcp:" + str(device_port))
File "D:\ATX\hong\atxserver2-android-provider\device.py", line 201, in adb_forward_to_any
async for f in adb.forward_list():
File "D:\ATX\hong\atxserver2-android-provider\asyncadb.py", line 183, in forward_list
await conn.send_cmd("host:list-forward")
AttributeError: 'NoneType' object has no attribute 'send_cmd'