Properly cleanup of VoiceClients in cache.

discord/client.py

@@ -429,15 +429,13 @@ class Client:
 
         self._closed.set()
 
-        for voice in list(self.voice_clients):
+        for voice in self.voice_clients:
             try:
                 yield from voice.disconnect()
             except:
                 # if an error happens during disconnects, disregard it.
                 pass
 
-            self.connection._remove_voice_client(voice.guild.id)
-
         if self.ws is not None and self.ws.open:
             yield from self.ws.close()
 

discord/shard.py

@@ -240,6 +240,12 @@ class AutoShardedClient(Client):
 
         self._closed.set()
 
+        for vc in self.voice_clients:
+            try:
+                yield from vc.disconnect()
+            except:
+                pass
+
         to_close = [shard.ws.close() for shard in self.shards.values()]
         yield from asyncio.wait(to_close, loop=self.loop)
         yield from self.http.close()