code: def id2token(self, _id):
      return self.model.tokenizer._convert_id_to_token(_id)
  
file_path: nlpaug/nlpaug/model/lang_models/fill_mask_transformers.py
imports: import logging
  from nlpaug.model.lang_models import LanguageModels
label_desc: Use image node_id 9 for calling the FmTransformers obj's underlying member method code with example usage: obj.id2token(_id) and returns: self