code: def setup_method(self):
      token_indexer = SingleIdTokenIndexer("tokens")
  
      self.pairs_fname = (
          "https://raw.githubusercontent.com/tolga-b/debiaswe/"
          "4c3fa843ffff45115c43fe112d4283c91d225c09/data/definitional_pairs.json"
      )
      with open(cached_path(self.pairs_fname)) as f:
          pairs_list = []
          [
              pairs_list.extend(
                  [
                      w1.lower(),
                      w2.lower(),
                      w1.title(),
                      w2.title(),
                      w1.upper(),
                      w2.upper(),
                  ]
              )
              for w1, w2 in json.load(f)
          ]
  
      text_field = TextField(
          [Token(t) for t in pairs_list],
          {"tokens": token_indexer},
      )
      instance = Instance({"text": text_field})
      dataset = Batch([instance])
      self.pairs_vocab = Vocabulary.from_instances(dataset)
      self.num_pairs = len(set(pairs_list))
  
      self.singles_fname = (
          "https://raw.githubusercontent.com/tolga-b/debiaswe/"
          "4c3fa843ffff45115c43fe112d4283c91d225c09/data/gender_specific_full.json"
      )
      with open(cached_path(self.singles_fname)) as f:
          singles_list = json.load(f)
  
      text_field = TextField(
          [Token(t) for t in singles_list],
          {"tokens": token_indexer},
      )
      instance = Instance({"text": text_field})
      dataset = Batch([instance])
      self.singles_vocab = Vocabulary.from_instances(dataset)
      self.num_singles = len(set(singles_list))
  
      super().setup_method()
  
file_path: allennlp/tests/fairness/bias_utils_test.py
imports: import json
  import torch
  from allennlp.fairness.bias_utils import load_words, load_word_pairs
  from allennlp.common.file_utils import cached_path
  from allennlp.common.testing.test_case import AllenNlpTestCase
  from allennlp.data import Instance, Token
  from allennlp.data.batch import Batch
  from allennlp.data import Vocabulary
  from allennlp.data.tokenizers.whitespace_tokenizer import WhitespaceTokenizer
  from allennlp.data.token_indexers import SingleIdTokenIndexer
  from allennlp.data.fields import TextField
label_desc: Use image node_id 1 for calling the BiasUtilsTest obj's underlying member method code with example usage: obj.setup_method() without return types