61ef2683c512b010cfdf11b879446922d26307c3,homeassistant/components/media_player/gpmdp.py,GPMDP,media_previous_track,#GPMDP#,276

Before Change

    def media_previous_track(self):
        Send media_previous command to media player.
        websocket = self.get_ws()
        if websocket is None:
            return
        websocket.send("{"namespace": "playback", "method": "rewind"}")

    def media_play(self):
        Send media_play command to media player.
        websocket = self.get_ws()

After Change

    def media_previous_track(self):
        Send media_previous command to media player.
        self.send_gpmdp_msg("playback", "rewind", False)

    def media_play(self):
        Send media_play command to media player.
        self.send_gpmdp_msg("playback", "playPause", False)

Instances