code: def _build_tokenizer(self):
      # Build Hugging Face tokenizer lazily.
      if self.tokenizer is None:
          self.tokenizer = AutoTokenizer.from_pretrained(self.model)
  
file_path: espnet/espnet2/text/hugging_face_tokenizer.py
imports: from pathlib import Path
  from typing import Iterable, List, Union
  from typeguard import check_argument_types
  from espnet2.text.abs_tokenizer import AbsTokenizer
label_desc: Use image node_id 3 for calling the HuggingFaceTokenizer obj's underlying member method code with example usage: obj._build_tokenizer() without return types