Plays a file from the local filesystem

async def play(self, ctx, *, query):
        """Plays a file from the local filesystem"""

        source = discord.PCMVolumeTransformer(discord.FFmpegPCMAudio(query))
        ctx.voice_client.play(source, after=lambda e: print('Player error: %s' % e) if e else None)

        await ctx.send('Now playing: {}'.format(query))