code: def setUp(self):
      super(TestTokenCounts, self).setUp()
      self.corpus_path = os.path.join(_TESTDATA, "corpus-*.txt")
      self.vocab_path = os.path.join(_TESTDATA, "vocab-*.txt")
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import random
  import six
  from six.moves import range
  from tensor2tensor.data_generators import tokenizer
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the TestTokenCounts obj's underlying member method code with example usage: obj.setUp() without return types