code: def register(self, ctx, share_tables=None):
      ctx_id = self.obj_id(ctx)
      if ctx_id not in self.pool:
          _log.info("Creating App Entry: {0}".format(ctx_id))
          ctx_path = (
              "/{0}/".format(ctx_id)
              if self.base_url is None
              else "/{0}/{1}/".format(self.base_url, ctx_id)
          )
          app = _udash.generate_app(
              ctx,
              {"share_tables": share_tables},
              # url_base_pathname=ctx_path,
              requests_pathname_prefix=ctx_path,
              routes_pathname_prefix=ctx_path,
          )
          app.css.config.serve_locally = True
          app.scripts.config.serve_locally = True
  
          self.pool[ctx_id] = app.server
      else:
          _log.debug("App Entry found: {0}".format(ctx_id))
  
imports: from IPython import display
  import re
  import requests
  import threading
  import os
  from .None import _udash
  from gevent.pywsgi import WSGIServer
  from flask import Flask
  import socket
  import random
  from string import Template
  import logging
label_desc: Use image node_id 3 for calling the DispatcherApp obj's underlying member method code with example usage: obj.register(ctx, share_tables) without return types