code: def run(self):
      tornado.ioloop.IOLoop.instance().start()
  
imports: from contextlib import contextmanager
  import errno
  from io import BytesIO
  import json
  import mimetypes
  from pathlib import Path
  import random
  import sys
  import signal
  import threading
  import tornado.web
  import tornado.ioloop
  import tornado.websocket
  import matplotlib
  from matplotlib.backend_bases import _Backend
  from matplotlib._pylab_helpers import Gcf
  from .None import backend_webagg_core
  from .backend_webagg_core import TimerAsyncio, TimerTornado
label_desc: Use image node_id 1 for calling the ServerThread obj's underlying member method code with example usage: obj.run() without return types