class_docstr: Base class for setting up snapshot directories.
class_docstr_tok: ["Base","class","for","setting","up","snapshot","directories","."]
code: def tearDown(self):
      super().tearDown()
      try:
          shutil.rmtree(self._test_dir)
      except FileNotFoundError:
          pass
  
imports: import os
  import shutil
  import tempfile
  import time
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.experimental.kernel_tests.service import test_base
  from tensorflow.python.data.experimental.ops import data_service_ops
  from tensorflow.python.data.experimental.ops import distributed_save_op
  from tensorflow.python.data.experimental.service import _pywrap_snapshot_utils
  from tensorflow.python.data.kernel_tests import checkpoint_test_base
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the DistributedSaveTestBase obj's underlying member method code with example usage: obj.tearDown() without return types