ERROR:asyncio:Task exception was never retrieved
future: <Task finished coro=<_run_event() done, defined at D:\Program Files\Python35\lib\site-packages\discord\client.py:264> exception=SystemExit(0,)>
Traceback (most recent call last):
  File "D:\Program Files\Python35\lib\site-packages\discord\client.py", line 602, in run
    self.loop.run_until_complete(self.start(email, password))
  File "D:\Program Files\Python35\lib\asyncio\base_events.py", line 325, in run_until_complete
    self.run_forever()
  File "D:\Program Files\Python35\lib\asyncio\base_events.py", line 295, in run_forever
    self._run_once()
  File "D:\Program Files\Python35\lib\asyncio\base_events.py", line 1254, in _run_once
    handle._run()
  File "D:\Program Files\Python35\lib\asyncio\events.py", line 125, in _run
    self._callback(*self._args)
  File "D:\Program Files\Python35\lib\asyncio\tasks.py", line 301, in _wakeup
    self._step()
  File "D:\Program Files\Python35\lib\asyncio\tasks.py", line 239, in _step
    result = coro.send(None)
  File "D:\Program Files\Python35\lib\site-packages\discord\client.py", line 267, in _run_event
    yield from getattr(self, event)(*args, **kwargs)
  File "doublex.py", line 101, in on_message
    sys.exit(0)
SystemExit: 0