code: def test_finalize_and_resume_file(self):
      with mock_env_with_temp() as d:
          checkpoint = Checkpoint(self.trainer)
          self._init_early_stopping(checkpoint)
          self._do_a_pass()
          checkpoint.finalize()
          original = deepcopy(self.trainer.model)
          pth_path = os.path.join(d, "simple_final.pth")
          self.assertTrue(PathManager.exists(pth_path))
  
          self._do_a_pass()
  
          after_a_pass = deepcopy(self.trainer.model)
          original_optimizer = deepcopy(self.trainer.optimizer)
          self.trainer.config.checkpoint.resume_file = pth_path
  
          with contextlib.redirect_stdout(StringIO()):
              checkpoint.load_state_dict()
          self.assertTrue(
              compare_state_dicts(
                  self.trainer.model.state_dict(), original.state_dict()
              )
          )
          self.assertFalse(
              compare_state_dicts(
                  self.trainer.model.state_dict(),
                  after_a_pass.state_dict(),
              )
          )
          self.assertTrue(
              self._compare_optimizers(
                  self.trainer.optimizer, original_optimizer
              )
          )
  
imports: import contextlib
  import os
  import tempfile
  import unittest
  from copy import deepcopy
  from io import StringIO
  from unittest.mock import Mock, patch
  import torch
  from mmf.common.registry import registry
  from mmf.models.base_model import BaseModel
  from mmf.trainers.callbacks.checkpoint import CheckpointCallback
  from mmf.trainers.callbacks.early_stopping import EarlyStoppingCallback
  from mmf.trainers.callbacks.lr_scheduler import LRSchedulerCallback
  from mmf.utils.checkpoint import Checkpoint
  from mmf.utils.configuration import load_yaml
  from mmf.utils.file_io import PathManager
  from omegaconf import OmegaConf
  from tests.test_utils import compare_state_dicts, skip_if_no_cuda
label_desc: Use image node_id 5 for calling the TestUtilsCheckpoint obj's underlying member method code with example usage: obj.test_finalize_and_resume_file() without return types