code: def test_subselect_rows_by_indices__none_selected(self):
      batch = _BatchInAugmentation(
          images=np.zeros((3, 3, 4, 1)),
          keypoints=[
              ia.KeypointsOnImage([ia.Keypoint(0, 0)], shape=(3, 4, 1)),
              ia.KeypointsOnImage([ia.Keypoint(1, 1)], shape=(3, 4, 1)),
              ia.KeypointsOnImage([ia.Keypoint(2, 2)], shape=(3, 4, 1)),
          ],
      )
  
      batch_sub = batch.subselect_rows_by_indices([])
  
      assert batch_sub.images is None
      assert batch_sub.keypoints is None
  
imports: from __future__ import print_function, division, absolute_import
  import warnings
  import sys
  import numpy
  import imgaug
  import imgaug.augmenters
  from imgaug.testutils import reseed
  from imgaug.augmentables.batches import _BatchInAugmentation
label_desc: Use image node_id 15 for calling the Test_BatchInAugmentation obj's underlying member method code with example usage: obj.test_subselect_rows_by_indices__none_selected() without return types