code: def success(self) -> bool:
      return self._success
  
imports: import base64
  import json
  import os
  import time
  from typing import Any, List, TypedDict, Union
  import uuid
  import requests
  from collections import defaultdict
label_desc: Use image node_id 14 for calling the QueryExecTracker obj's underlying member method code with example usage: obj.success() and returns: self