code: def setUp(self):
      super(AutoShardDatasetTest, self).setUp()
      self._num_files = 10
      self._num_records = 4
      self._num_shards = 2
      self._shard_index = 0
      self._record_bytes = 10
  
imports: import os
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import readers
  from tensorflow.python.data.util import structure
  from tensorflow.python.distribute import input_ops
  from tensorflow.python.eager import context
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.lib.io import python_io
  from tensorflow.python.ops import gen_dataset_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
  from tensorflow.python.util import compat
label_desc: Use image node_id 1 for calling the AutoShardDatasetTest obj's underlying member method code with example usage: obj.setUp() without return types