Update vc_service_request.py

add timeout while waiting for result

vc_service_request.py

@@ -81,10 +81,12 @@ async def async_service_request(source: np.ndarray, target: np.ndarray) -> np.nd
         result_lst = []
         while True:
             try:
-                data = await websocket.recv()
+                data = await asyncio.wait_for(websocket.recv(), timeout=15)
                 result_lst.append(np.frombuffer(data, dtype="int16"))
             except websockets.exceptions.ConnectionClosed:
                 break
+            except asyncio.TimeoutError:
+                break
             if data is None:
                 break
         result = np.concatenate(result_lst) if result_lst else None