message: Make input ops test windows compatible by using path separator from os module.
diff: @@ -126,7 +126,7 @@ class AutoShardDatasetTest(test.TestCase):
  def testListfiles(self):
  filenames = self._createTFRecordFiles()
  - file_pattern = filenames[0].rsplit("/", 1)[0] + "/tf_record.*.txt"
  + file_pattern = filenames[0].rsplit(os.sep, 1)[0] + "/tf_record.*.txt"
  dataset = dataset_ops.Dataset.list_files(file_pattern, shuffle=False)
  dataset = dataset.flat_map(readers.TFRecordDataset)
  dataset = input_ops.auto_shard_dataset(
  