code: def init_tokenizer(self) -> None:
      if not janome_module:
          raise RuntimeError("Janome is not available")
      self.tokenizer = janome.tokenizer.Tokenizer(
          udic=self.user_dict, udic_enc=self.user_dict_enc
      )
  
imports: from __future__ import annotations
  import os
  import re
  import sys
  from typing import TYPE_CHECKING, Any, Dict, List
  from sphinx.errors import ExtensionError, SphinxError
  from sphinx.search import SearchLanguage
  from sphinx.util import import_object
label_desc: Use image node_id 2 for calling the JanomeSplitter obj's underlying member method code with example usage: obj.init_tokenizer() without return types