code: def get_app(self):
      if hasattr(self, "config_file") and hasattr(
          self.config_file, "name"
      ):
          self.app = TabPyApp(self.config_file.name)
      else:
          self.app = TabPyApp()
      return self.app._create_tornado_web_app()
  
imports: import base64
  import json
  import os
  from tabpy.tabpy_server.app.app import TabPyApp
  from tabpy.tabpy_server.app.app_parameters import SettingsParameters
  import tempfile
  from tornado.testing import AsyncHTTPTestCase
label_desc: Use image node_id 1 for calling the BaseTestServiceInfoHandler obj's underlying member method code with example usage: obj.get_app() and returns: self