class_docstr: Tests VocabInfo class
class_docstr_tok: ["Tests","VocabInfo","class"]
code: def setUp(self):
      super(VocabInfoTest, self).setUp()
      tf.logging.set_verbosity(tf.logging.INFO)
      self.vocab_list = ["Hello", ".", "Bye"]
      self.vocab_file = test_utils.create_temporary_vocab_file(
          self.vocab_list
      )
  
file_path: seq2seq/seq2seq/test/vocab_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import tensorflow
  import numpy
  from seq2seq.data import vocab
  from seq2seq.test import utils
label_desc: Use image node_id 1 for calling the VocabInfoTest obj's underlying member method code with example usage: obj.setUp() without return types