打开小米电视后，HomeAssistant无法找到DLNA音箱的问题。

ericshen

家里有小米电视4 55寸，小米互联网音箱，京东叮咚TOP语音助手。并安装了虫子大神的DLNA插件。现发现，在小米电视打开的情况下，HomeAssistant启动时，无法找到小米互联网音箱，京东叮咚TOP语音助手等DLNA设备，
但是，在小米电视关闭的情况下，能成功的找到小米互联网音箱，京东叮咚TOP语音助手等DLNA设备，并正常运行。
相关错误日志如下：
:ERROR:homeassistant.core:Error doing job: Task exception was never retrieved
:Traceback (most recent call last):
:  File "/usr/lib/python3.5/asyncio/tasks.py", line 241, in _step
:    result = coro.throw(exc)
:  File "/home/homeassistant/.homeassistant/custom_components/dlna.py", line 53, in scan_devices
:    None, dlna.discover_MediaPlayer)
:  File "/usr/lib/python3.5/asyncio/futures.py", line 380, in __iter__
:    yield self  # This tells Task to wait for completion.
:  File "/usr/lib/python3.5/asyncio/tasks.py", line 304, in _wakeup
:    future.result()
:  File "/usr/lib/python3.5/asyncio/futures.py", line 293, in result
:    raise self._exception
:  File "/usr/lib/python3.5/concurrent/futures/thread.py", line 55, in run
:    result = self.fn(*self.args, **self.kwargs)
:  File "/home/homeassistant/.homeassistant/custom_components/dlna.py", line 212, in discover_MediaPlayer
:    device = self.register_device(location_url)
:  File "/home/homeassistant/.homeassistant/custom_components/dlna.py", line 131, in register_device
:    UPNP_DEFAULT_SERVICE_TYPE = re.search("urn:schemas-upnp-org:service:AVTransport:\d+",xml).group()
:AttributeError: 'NoneType' object has no attribute 'group'
:INFO:homeassistant.core:Bus:Handling <Event system_log_event[L]: exception=Traceback (most recent call last):
:  File "/usr/lib/python3.5/asyncio/tasks.py", line 241, in _step
:    result = coro.throw(exc)
:  File "/home/homeassistant/.homeassistant/custom_components/dlna.py", line 53, in scan_devices
:    None, dlna.discover_MediaPlayer)
:  File "/usr/lib/python3.5/asyncio/futures.py", line 380, in __iter__
:    yield self  # This tells Task to wait for completion.
:  File "/usr/lib/python3.5/asyncio/tasks.py", line 304, in _wakeup
:    future.result()
:  File "/usr/lib/python3.5/asyncio/futures.py", line 293, in result
:    raise self._exception
:  File "/usr/lib/python3.5/concurrent/futures/thread.py", line 55, in run
:    result = self.fn(*self.args, **self.kwargs)
:  File "/home/homeassistant/.homeassistant/custom_components/dlna.py", line 212, in discover_MediaPlayer
:    device = self.register_device(location_url)
:  File "/home/homeassistant/.homeassistant/custom_components/dlna.py", line 131, in register_device
:    UPNP_DEFAULT_SERVICE_TYPE = re.search("urn:schemas-upnp-org:service:AVTransport:\d+",xml).group()
:AttributeError: 'NoneType' object has no attribute 'group'
:, source=custom_components/dlna.py, timestamp=1524203927.6050668, message=Error doing job: Task exception was never retrieved, level=ERROR>

咸味土豆

这个DLAN插件早都不维护了，源插件出处更新过没有不知道，我觉得出问题很正常的嘛，HA官方都不了靠谱...

wpl820213

我也遇到这个问题 ~