code: def json(self):
      return self.json_data
  
imports: import json
  import os
  import time
  from contextlib import contextmanager
  from enum import Enum
  from typing import NamedTuple, Optional
  from unittest import mock
  import requests
  import mlflow
label_desc: Use image node_id 2 for calling the _MockResponse obj's underlying member method code with example usage: obj.json() and returns: self