code: def handle(self, _req):
      def app(env, start_resp0):
          def start_resp(status, headers):
              headers.append(("Access-Control-Allow-Origin", "*"))
              start_resp0(status, headers)
  
          return self._app(env, start_resp)
  
      return app
  
imports: import json
  import logging
  import math
  import os
  import socket
  import subprocess
  import sys
  import threading
  import time
  from werkzeug.exceptions import NotFound
  from werkzeug.utils import redirect
  from guild import serving_util
  from guild import util
  from guild import var
label_desc: Use image node_id 2 for calling the RunFiles obj's underlying member method code with example usage: obj.handle(_req) and returns: app, self