code: def test_conversion_empty_examples(self):
      input_examples = [{}] * 10
      record_batch = (
          decoded_examples_to_arrow.DecodedExamplesToRecordBatch(
              input_examples
          )
      )
      self.assertEqual(record_batch.num_rows, 10)
      self.assertEqual(record_batch.num_columns, 0)
  
file_path: data-validation/tensorflow_data_validation/arrow/decoded_examples_to_arrow_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  import pyarrow
  import six
  from tensorflow_data_validation.arrow import arrow_util
  from tensorflow_data_validation.arrow import decoded_examples_to_arrow
label_desc: Use image node_id 4 for calling the DecodedExamplesToArrowPyTest obj's underlying member method code with example usage: obj.test_conversion_empty_examples() without return types