code: def finish(self, state: CTCDecoderLMState):
      return self.score(state, self.eos)
  
imports: import torch
  from torchaudio.models.decoder import CTCDecoderLM, CTCDecoderLMState
  from torchaudio.models.decoder._ctc_decoder import _create_word_dict, _Dictionary, _KenLM, _load_words
label_desc: Use image node_id 4 for calling the CustomBiasedLM obj's underlying member method code with example usage: obj.finish(state) and returns: self