code: def get_tokenizer(self, **kwargs):
      kwargs.update(self.special_tokens_map)
      return CTRLTokenizer.from_pretrained(self.tmpdirname, **kwargs)
  
file_path: transformers/tests/models/ctrl/test_tokenization_ctrl.py
imports: import json
  import os
  import unittest
  from transformers.models.ctrl.tokenization_ctrl import VOCAB_FILES_NAMES, CTRLTokenizer
  from ...test_tokenization_common import TokenizerTesterMixin
label_desc: Use image node_id 2 for calling the CTRLTokenizationTest obj's underlying member method code with example usage: obj.get_tokenizer() and returns: CTRLTokenizer