code: def __init__(self, tokens: Dict[str, str]):
      self._tokens = tokens
  
imports: from typing import Optional, Dict, Tuple
  import base64
  import collections.abc
  import os
  import json
  import logging
  from hailtop.config import get_deploy_config
  from hailtop.utils import first_extant_file
label_desc: Use image node_id 4 to create a new Tokens object from inherited base classes: collections.abc with example: obj = Tokens(tokens)