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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 async def pause(self):
 """Pauses playback if playing"""


        self.logger.debug("pause command")

        if not self.state == 'ready':
            return

        if self.streamer is None:
            return

        try:
            if self.streamer.is_playing():
                self.streamer.pause()
                self.pause_time = self.vclient.loop.time()
                self.statuslog.info("Paused")
        except Exception as e:
            logger.error(e)
            pass