code: def check_create_empty_dataset(self, original_dataset):
      empty_dataset = create_empty_dataset(original_dataset)
      self.assertEqual(len(original_dataset), len(empty_dataset))
      for i in range(len(original_dataset)):
          self.assertEqual((), empty_dataset[i])
  
file_path: chainer/tests/chainermn_tests/datasets_tests/test_empty_dataset.py
imports: import unittest
  import numpy
  from chainermn.datasets import create_empty_dataset
  import chainerx
label_desc: Use image node_id 2 for calling the TestEmptyDataset obj's underlying member method code with example usage: obj.check_create_empty_dataset(original_dataset) without return types