code: def __getstate__(self):
      d = self.__dict__
      d["object_version"] = self.version
      return d
  
imports: from __future__ import annotations
  import copyreg
  import pkgutil
  import types
  from typing import TYPE_CHECKING, cast
  import numpy
  import dedupe.variables
  from dedupe.variables.base import FieldType
  from dedupe.variables.base import MissingDataType, Variable
  from dedupe.variables.interaction import InteractionType
label_desc: Use image node_id 8 for calling the DataModel obj's underlying member method code with example usage: obj.__getstate__() and returns: d