Error doing job: Exception in callback

hello im getting this error sence 0.40.0 still seeing it on 0.43.0 any way i can fix this/

17-04-23 14:04:49 ERROR (MainThread) [homeassistant.core] Error doing job: Exception in callback _ProactorReadPipeTransport._loop_reading(<_OverlappedF...op_reading()]>)
Traceback (most recent call last):
  File "C:\Users\mohammed\AppData\Local\Programs\Python\Python35\lib\asyncio\events.py", line 125, in _run
    self._callback(*self._args)
  File "C:\Users\mohammed\AppData\Local\Programs\Python\Python35\lib\asyncio\proactor_events.py", line 183, in _loop_reading
    data = fut.result()  # deliver data later in "finally" clause
  File "C:\Users\mohammed\AppData\Local\Programs\Python\Python35\lib\asyncio\futures.py", line 268, in result
    raise InvalidStateError('Result is not ready.')
asyncio.futures.InvalidStateError: Result is not ready.
17-04-23 14:04:56 WARNING (MainThread) [homeassistant.setup] Setup of media_player is taking over 10 seconds.
17-04-23 14:04:58 WARNING (MainThread) [homeassistant.components.media_player] Setup of platform cast is taking over 10 seconds.
17-04-23 14:04:58 WARNING (MainThread) [homeassistant.components.media_player] Setup of platform cast is taking over 10 seconds.
17-04-23 14:05:04 ERROR (MainThread) [homeassistant.core] Error doing job: Exception in callback _ProactorReadPipeTransport._loop_reading(<_OverlappedF...ed result=b''>)
Traceback (most recent call last):
  File "C:\Users\mohammed\AppData\Local\Programs\Python\Python35\lib\asyncio\events.py", line 125, in _run
    self._callback(*self._args)
  File "C:\Users\mohammed\AppData\Local\Programs\Python\Python35\lib\asyncio\proactor_events.py", line 181, in _loop_reading
    self._closing)
AssertionError

I am having the same issue. Let me know where you have gone with this so far. Thanks