code: def __hash__(self):
      return hash(id(self))
  
imports: from __future__ import annotations
  import abc
  from typing import Any, Generic, Literal, Mapping, Optional, Sequence, Set, Type, TypeVar, Union
  import attr
  from tfx import types
  from tfx.proto.orchestration import pipeline_pb2
  from tfx.utils import json_utils
  from tfx.utils import typing_utils
  import ml_metadata
label_desc: Use image node_id 2 for calling the Node obj's underlying member method code with example usage: obj.__hash__() and returns: hash