code: def startClient(self):
      tornado.ioloop.IOLoop.instance().start()
  
imports: import json
  import time
  import threading
  import six
  from ws4py.client import tornadoclient
  import tornado
  import pyalgotrade.logger
label_desc: Use image node_id 9 for calling the WebSocketClientBase obj's underlying member method code with example usage: obj.startClient() without return types