code: def tearDown(self):
      super().tearDown()
      try:
          os.remove(self.file_name)
      except OSError:
          pass
  
imports: import os
  import sys
  import tempfile
  import torch
  import torch.distributed
  import torch.multiprocessing
  from torch.testing._internal.common_distributed import MultiProcessTestCase
  from torch.testing._internal.common_utils import load_tests, NO_MULTIPROCESSING_SPAWN
label_desc: Use image node_id 2 for calling the TestDistributedNNFunctions obj's underlying member method code with example usage: obj.tearDown() without return types