code: def decode(self, value: bytes) -> dict[Any, Any]:
      return pickle.loads(value)
  
imports: from __future__ import annotations
  import json
  import pickle
  from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from typing import Any, TypedDict
  from uuid import UUID
  from marshmallow import Schema, ValidationError
  from superset.key_value.exceptions import KeyValueCodecDecodeException, KeyValueCodecEncodeException
  from superset.utils.backports import StrEnum
label_desc: Use image node_id 2 for calling the PickleKeyValueCodec obj's underlying member method code with example usage: obj.decode(value) and returns: pickle