code: def call(self, potentials, transition_params, sequence_length):
      return text.crf_decode(
          potentials, transition_params, sequence_length
      )
  
imports: import itertools
  from packaging.version import Version
  import pytest
  import numpy
  import tensorflow
  from tensorflow_addons import text
  from tensorflow_addons.utils import test_utils
  from numpy.testing import assert_array_equal
label_desc: Use image node_id 2 for calling the CRFDecode obj's underlying member method code with example usage: obj.call(potentials, transition_params, sequence_length) and returns: text