code: def testPaddedBatchWithEmptyTuple(self):
      dataset = dataset_ops.Dataset.from_tensor_slices(
          ([0, 1, 2, 3], ())
      )
      dataset = dataset.padded_batch(2)
      self.assertDatasetProduces(dataset, [([0, 1], ()), ([2, 3], ())])
  
imports: from absl.testing import parameterized
  import numpy
  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.data.ops import options
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import string_ops
  from tensorflow.python.ops.ragged import ragged_tensor_value
  from tensorflow.python.platform import test
  from tensorflow.python.util import compat
label_desc: Use image node_id 5 for calling the PaddedBatchTest obj's underlying member method code with example usage: obj.testPaddedBatchWithEmptyTuple() without return types