code: def test_work_state_change_with_path():
      """Test that type changes to a Path attribute are properly reflected within the state."""
  
      class Work(LightningFlow):
          def __init__(self):
              super().__init__()
              self.none_to_path = None
              self.path_to_none = Path()
              self.path_to_path = Path()
  
          def run(self):
              self.none_to_path = "lit://none/to/path"
              self.path_to_none = None
              self.path_to_path = "lit://path/to/path"
  
      class Flow(LightningFlow):
          def __init__(self):
              super().__init__()
              self.work = Work()
  
          def run(self):
              self.work.run()
              self.stop()
  
      flow = Flow()
      MultiProcessRuntime(LightningApp(flow)).dispatch()
      assert flow.work.none_to_path == Path("lit://none/to/path")
      assert flow.work.path_to_none is None
      assert flow.work.path_to_path == Path("lit://path/to/path")
  
      assert "path_to_none" not in flow.work._paths
      assert "path_to_none" in flow.work._state
      assert (
          flow.work._paths["none_to_path"]
          == Path("lit://none/to/path").to_dict()
      )
      assert (
          flow.work._paths["path_to_path"]
          == Path("lit://path/to/path").to_dict()
      )
      assert flow.work.state["vars"]["none_to_path"] == Path(
          "lit://none/to/path"
      )
      assert flow.work.state["vars"]["path_to_none"] is None
      assert flow.work.state["vars"]["path_to_path"] == Path(
          "lit://path/to/path"
      )
  
imports: import contextlib
  from queue import Empty
  from re import escape
  from unittest.mock import MagicMock, Mock
  import pytest
  from lightning.app import LightningApp
  from lightning.app.core.flow import LightningFlow
  from lightning.app.core.work import LightningWork
  from lightning.app.runners import MultiProcessRuntime
  from lightning.app.storage.path import Path
  from lightning.app.testing.helpers import EmptyFlow, EmptyWork, _MockQueue
  from lightning.app.testing.testing import LightningTestApp
  from lightning.app.utilities.enum import WorkStageStatus, make_status
  from lightning.app.utilities.exceptions import LightningWorkException
  from lightning.app.utilities.imports import _IS_WINDOWS
  from lightning.app.utilities.packaging.build_config import BuildConfig
  from lightning.app.utilities.proxies import ProxyWorkRun, WorkRunner
label_desc: Use image node_id 11 for calling a global function with example usage: test_work_state_change_with_path() without return types