Update fun.py

fun.py

@@ -33,7 +33,7 @@ async def proxy(request: Request, path: str):
         status_code=resp.status_code,
         headers=dict(resp.headers)
     )
-
+@app.websocket("/devtools/page/{page_id}")
 async def websocket_proxy(websocket: WebSocket, path: str):
     await websocket.accept()
     target_url = f"{TARGET_WS_BASE}/{path}"