code: def _get_work_class() -> Callable:
      """Import the work class specified in the environment."""
      work_name = os.environ["LIGHTNING_WORK"]
      work_module_file = os.environ["LIGHTNING_WORK_MODULE_FILE"]
      module = pydoc.importfile(work_module_file)
      return getattr(module, work_name)
  
imports: import abc
  import inspect
  import os
  import pydoc
  import subprocess
  import sys
  from typing import Any, Callable, Type
  from lightning.app.core.work import LightningWork
  from lightning.app.utilities.app_helpers import StreamLitStatePlugin
  from lightning.app.utilities.state import AppState
label_desc: Use image node_id 2 for calling a global function with example usage: _get_work_class() and returns: getattr