code: def initialize(self, app):
      super(EndpointHandler, self).initialize(app)
  
file_path: TabPy/tabpy/tabpy_server/handlers/endpoint_handler.py
imports: import json
  import logging
  import shutil
  from tabpy.tabpy_server.common.util import format_exception
  from tabpy.tabpy_server.handlers import ManagementHandler
  from tabpy.tabpy_server.handlers.base_handler import STAGING_THREAD
  from tabpy.tabpy_server.management.state import get_query_object_path
  from tabpy.tabpy_server.psws.callbacks import on_state_change
  from tabpy.tabpy_server.handlers.util import AuthErrorStates
  from tornado import gen
label_desc: Use image node_id 1 for calling the EndpointHandler obj's underlying member method code with example usage: obj.initialize(app) without return types