Add a TimeoutError if VoiceClient.connect fails.

discord/client.py

@@ -2450,7 +2450,16 @@ class Client:
         }
 
         voice = VoiceClient(**kwargs)
-        yield from voice.connect()
+        try:
+            yield from voice.connect()
+        except asyncio.TimeoutError as e:
+            try:
+                yield from voice.disconnect()
+            except:
+                # we don't care if disconnect failed because connection failed
+                pass
+            raise e # re-raise
+
         self.connection._add_voice_client(server.id, voice)
         return voice
 

discord/gateway.py

@@ -553,7 +553,7 @@ class DiscordVoiceWebSocket(websockets.client.WebSocketClientProtocol):
     @asyncio.coroutine
     def poll_event(self):
         try:
-            msg = yield from self.recv()
+            msg = yield from asyncio.wait_for(self.recv(), timeout=30.0, loop=self.loop)
             yield from self.received_message(json.loads(msg))
         except websockets.exceptions.ConnectionClosed as e:
             raise ConnectionClosed(e) from e