code: def stop(self):
      self.proxy_server.shutdown()  # stop serve_forever()
      self.proxy_server.server_close()
  
imports: import base64
  import http.server
  import select
  import socket
  import socketserver
  import threading
  from urllib.request import urlopen
label_desc: Use image node_id 8 for calling the ProxyServerThread obj's underlying member method code with example usage: obj.stop() without return types