code: def is_picklable(obj: object) -> bool:
      """Tests if an object can be pickled."""
      try:
          pickle.dumps(obj)
          return True
      except (
          pickle.PickleError,
          AttributeError,
          RuntimeError,
          TypeError,
      ):
          return False
  
imports: import copy
  import inspect
  import pickle
  import types
  from dataclasses import fields, is_dataclass
  from typing import Any, Dict, List, Literal, MutableMapping, Optional, Sequence, Tuple, Type, Union
  from torch import nn
  import lightning.pytorch
  from lightning.fabric.utilities.data import AttributeDict
  from lightning.pytorch.utilities.rank_zero import rank_zero_warn
label_desc: Use image node_id 1 for calling a global function with example usage: is_picklable(obj) and returns: True, False