code: def test_nb_rows__with_empty_column(self):
      batch = _BatchInAugmentation(images=[])
      assert batch.nb_rows == 0
  
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 4 for calling the Test_BatchInAugmentation obj's underlying member method code with example usage: obj.test_nb_rows__with_empty_column() without return types