@asyncio.coroutine
def async_volume_up(self):
    'Volume up the media player.'
    assert ((yield from self._server.Input.ExecuteAction('volumeup')) == 'OK')
Volume up the media player.
@asyncio.coroutine
def async_volume_up(self):
    
    assert ((yield from self._server.Input.ExecuteAction('volumeup')) == 'OK')