code: def _get_short_description(component: object) -> Optional[str]:
      if component.__doc__ is None:
          return None
      try:
          docstring = docstring_parser.parse(component.__doc__)
          return docstring.short_description
      except (ValueError, docstring_parser.ParseError) as ex:
          rank_zero_warn(
              f"Failed parsing docstring for {component}: {ex}"
          )
  
imports: import os
  import sys
  from functools import partial, update_wrapper
  from types import MethodType
  from typing import Any, Callable, Dict, Iterable, List, Optional, Set, Tuple, Type, Union
  import torch
  from lightning_utilities.core.imports import RequirementCache
  from lightning_utilities.core.rank_zero import _warn
  from torch.optim import Optimizer
  from typing_extensions import override
  import lightning.pytorch
  from lightning.fabric.utilities.cloud_io import get_filesystem
  from lightning.fabric.utilities.types import _TORCH_LRSCHEDULER
  from lightning.pytorch import Callback, LightningDataModule, LightningModule, Trainer, seed_everything
  from lightning.pytorch.utilities.exceptions import MisconfigurationException
  from lightning.pytorch.utilities.model_helpers import is_overridden
  from lightning.pytorch.utilities.rank_zero import rank_zero_warn
label_desc: Use image node_id 5 for calling a global function with example usage: _get_short_description(component) and returns: None, docstring