code: def test_all_null_mask_no_paths(self):
      batch = input_batch.InputBatch(
          pa.RecordBatch.from_arrays(
              [pa.array([None, None], type=pa.null())], ["f3"]
          )
      )
      with self.assertRaisesRegex(
          ValueError, r"Paths cannot be empty.*"
      ):
          batch.all_null_mask()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import absltest
  import numpy
  import pyarrow
  from tensorflow_data_validation import types
  from tensorflow_data_validation.statistics.generators import input_batch
label_desc: Use image node_id 10 for calling the InputBatchTest obj's underlying member method code with example usage: obj.test_all_null_mask_no_paths() without return types