from http.server import ThreadingHTTPServer, BaseHTTPRequestHandler
import time
class Handler(BaseHTTPRequestHandler):
 def do_GET(self):
  print('REQUEST_STARTED', flush=True)
  time.sleep(240)
  self.send_response(200);self.end_headers();self.wfile.write(b'Finished')
 def log_message(self,*args): pass
ThreadingHTTPServer(('127.0.0.1',18907),Handler).serve_forever()