code: def test_compile_uncompile():
      model = BoringModel()
      compiled_model = torch.compile(model)
  
      def has_dynamo(fn):
          return any(
              el for el in dir(fn) if el.startswith("_torchdynamo")
          )
  
      from_compiled_model = from_compiled(compiled_model)
      assert isinstance(from_compiled_model, LightningModule)
      assert from_compiled_model._compiler_ctx is not None
      assert has_dynamo(from_compiled_model.forward)
      assert has_dynamo(from_compiled_model.training_step)
      assert has_dynamo(from_compiled_model.validation_step)
      assert has_dynamo(from_compiled_model.test_step)
      assert has_dynamo(from_compiled_model.predict_step)
  
      to_uncompiled_model = to_uncompiled(model)
      assert to_uncompiled_model._compiler_ctx is None
      assert to_uncompiled_model.forward == model.forward
      assert to_uncompiled_model.training_step == model.training_step
      assert (
          to_uncompiled_model.validation_step == model.validation_step
      )
      assert to_uncompiled_model.test_step == model.test_step
      assert to_uncompiled_model.predict_step == model.predict_step
      assert not has_dynamo(to_uncompiled_model.forward)
      assert not has_dynamo(to_uncompiled_model.training_step)
      assert not has_dynamo(to_uncompiled_model.validation_step)
      assert not has_dynamo(to_uncompiled_model.test_step)
      assert not has_dynamo(to_uncompiled_model.predict_step)
  
file_path: pytorch-lightning/tests/tests_pytorch/utilities/test_compile.py
imports: import sys
  from unittest import mock
  import pytest
  import torch
  from lightning.fabric.utilities.imports import _TORCH_GREATER_EQUAL_2_1
  from lightning.pytorch import LightningModule, Trainer
  from lightning.pytorch.demos.boring_classes import BoringModel
  from lightning.pytorch.utilities.compile import from_compiled, to_uncompiled
  from lightning_utilities.core import module_available
  from tests_pytorch.conftest import mock_cuda_count
  from tests_pytorch.helpers.runif import RunIf
label_desc: Use image node_id 2 for calling a global function with example usage: test_compile_uncompile() and returns: any