code: def testNotEqual(self):
      with TestPipeline() as p:
          sample_input = [
              ("I", "en"),
              ("kind", "en"),
              ("of", "en"),
              ("like", "en"),
              ("to", "en"),
              ("eat", "en"),
              ("pie", "en"),
              ("!", "en"),
              ("Je", "fr"),
              ("suis", "fr"),
              ("une", "fr"),
              ("fille", "fr"),
              (".", "fr"),
          ]
          tokens = p | beam.Create(sample_input)
          result = (
              tokens
              | beam.CombineGlobally(utils.CalculateCoefficients(0.5))
              | beam.ParDo(CompareValues())
          )
          assert_that(result, equal_to([True]))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import logging
  import tempfile
  from absl.testing import absltest
  import apache_beam
  from apache_beam.testing.test_pipeline import TestPipeline
  from apache_beam.testing.util import assert_that
  from apache_beam.testing.util import equal_to
  import tensorflow.compat.v1
  from tensorflow_text.tools.wordpiece_vocab import utils
label_desc: Use image node_id 3 for calling the CalculateCoefficientsTest obj's underlying member method code with example usage: obj.testNotEqual() without return types