code: def run(self, *args, **kwargs):
      pass
  
imports: import getpass
  from collections import namedtuple
  from flask import Flask
  import mock
  import numpy
  import os
  import pandas
  import pytest
  from tests import ExitStack, pdt
label_desc: Use image node_id 2 for calling the MockDtaleFlask obj's underlying member method code with example usage: obj.run() without return types