hotfix: audio on coinflip

Author: skillor

bot.py

@@ -1644,10 +1644,15 @@ async def _coinflip(self, ctx, *args):
             voice_client = None
             if random.random() < await self.parent.get_setting(prev_author.guild.id, 'COIN_FLIP_AUDIO_CHANCE'):
                 if prev_author.voice is not None and prev_author.voice.channel is not None:
-                    voice_channel = prev_author.voice.channel
-                    voice_client = await voice_channel.connect()
-                    audio_source = discord.FFmpegPCMAudio(os.path.join('audio', 'tossacoin.mp3'))
-                    voice_client.play(audio_source)
+                    try:
+                        voice_channel = prev_author.voice.channel
+                        voice_client = await voice_channel.connect()
+                        audio_source = discord.FFmpegPCMAudio(os.path.join('audio', 'tossacoin.mp3'))
+                        voice_client.play(audio_source)
+                    except discord.ClientException:
+                        self.parent.lprint('Bot is alreardy connect to a voice channel')
+                    except RuntimeError as e:
+                        self.parent.lprint(e)
 
             await asyncio.sleep(13)