code: def test_align_slot_labels_with_none_label(self):
      self.assertEqual(
          align_slot_labels([[0, 4], [5, 8]], None, True),
          "NoLabel NoLabel",
      )
  
imports: import json
  import os
  import random
  import shutil
  import tempfile
  import unittest
  import numpy
  import torch
  from pytext.utils import recursive_map, round_seq, set_random_seeds
  from pytext.utils.data import align_slot_labels, merge_token_labels_to_slot, strip_bio_prefix, unkify
  from pytext.utils.distributed import get_shard_range
  from pytext.utils.file_io import chunk_file, PathManager
  from pytext.utils.meter import TimeMeter
  from pytext.utils.test import import_tests_module
label_desc: Use image node_id 3 for calling the UtilTest obj's underlying member method code with example usage: obj.test_align_slot_labels_with_none_label() without return types