code: def options(self):
      # add CORS headers if TabPy has a cors_origin specified
      self._add_CORS_header()
      self.write({})
  
imports: import base64
  import binascii
  import concurrent
  import json
  import logging
  import tornado.web
  from tabpy.tabpy_server.app.app_parameters import SettingsParameters
  from tabpy.tabpy_server.handlers.util import hash_password
  from tabpy.tabpy_server.handlers.util import AuthErrorStates
  import uuid
label_desc: Use image node_id 3 for calling the BaseHandler obj's underlying member method code with example usage: obj.options() without return types