code: def setUp(self):
      super().setUp()
      tokenizer_path = os.path.join(TESTDATA_PATH, "bert_tokenizer")
      self.tokenizer = transformers.AutoTokenizer.from_pretrained(
          tokenizer_path
      )
  
file_path: lit/lit_nlp/examples/models/model_utils_test.py
imports: import os
  from absl.testing import absltest
  from lit_nlp.examples.models import model_utils
  import numpy
  import transformers
label_desc: Use image node_id 1 for calling the BatchEncodePretokenizedTest obj's underlying member method code with example usage: obj.setUp() without return types