code: def install_signal_handlers(self):
      pass
  
imports: from __future__ import annotations
  import os
  import socket
  import threading
  import time
  import warnings
  from functools import partial
  from typing import TYPE_CHECKING
  import httpx
  import uvicorn
  from uvicorn.config import Config
  from gradio.exceptions import ServerFailedToStartError
  from gradio.routes import App
  from gradio.tunneling import Tunnel
  from gradio.utils import SourceFileReloader, watchfn
label_desc: Use image node_id 2 for calling the Server obj's underlying member method code with example usage: obj.install_signal_handlers() without return types