code: def __init__(self, label: str, start: int, end: int) -> None:
      self.label = label
      self.start = start
      self.end = end
  
imports: import builtins
  import json
  import os
  import unicodedata
  from typing import Any, List, Optional, Tuple
label_desc: Use image node_id 1 to create a new Slot object  with example: obj = Slot(label, start, end)