code: def __init__(self, input_str):
      self.str = input_str
      super().__init__()
  
file_path: pytext/pytext/common/constants.py
imports: from enum import Enum
  from typing import Tuple
  import torch
label_desc: Use image node_id 2 to create a new Token object from inherited base classes: str with example: obj = Token(input_str)