code: def __repr__(self):
      return "<I am a pesky sentinel>"
  
imports: from dataclasses import dataclass, field
  from enum import Enum
  from typing import Dict, List, Optional, Tuple, Union
  from omegaconf import MISSING
label_desc: Use image node_id 1 for calling the PeskySentinel obj's underlying member method code with example usage: obj.__repr__() and returns: str