code: def testComputeMultipleBatch(self):
      translation_corpus = [[1, 2, 3, 4], [5, 6, 7, 0]]
      reference_corpus = [[1, 2, 3, 4], [5, 6, 7, 10]]
      bleu = bleu_hook.compute_bleu(
          reference_corpus, translation_corpus
      )
      actual_bleu = 0.7231
      self.assertAllClose(bleu, actual_bleu, atol=1e-03)
  
file_path: tensor2tensor/tensor2tensor/utils/bleu_hook_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import tempfile
  import six
  from tensor2tensor.data_generators import text_encoder
  from tensor2tensor.utils import bleu_hook
  import tensorflow.compat.v1
label_desc: Use image node_id 3 for calling the BleuHookTest obj's underlying member method code with example usage: obj.testComputeMultipleBatch() without return types