Error executing service <ServiceCall media_player.media_play_pause: entity_id=['media_player.ps4_pro']>

Traceback (most recent call last):

  File "/srv/homeassistant/lib/python3.5/site-packages/homeassistant/core.py", line 1010, in _event_to_service_call
    yield from service_handler.func(service_call)

  File "/srv/homeassistant/lib/python3.5/site-packages/homeassistant/components/media_player/__init__.py", line 402, in async_service_handler
    yield from getattr(player, method['method'])(**params)

  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/media_player/ps4.py", line 368, in media_pause
    self.ps4.remote('ps')

AttributeError: 'Ps4' object has no attribute 'remote'