code: def _get_vocab_list(vocab_file):
      vocab = []
      with open(vocab_file, "r", encoding="utf-8") as f:
          for line in f:
              line = line.strip().split()
              vocab.append(line[0])
      return vocab
  
file_path: audio/src/torchaudio/models/decoder/_cuda_ctc_decoder.py
imports: from __future__ import annotations
  import math
  from typing import List, NamedTuple, Union
  import torch
  import torchaudio
  import torchaudio.lib.pybind11_prefixctc
label_desc: Use image node_id 1 for calling a global function with example usage: _get_vocab_list(vocab_file) and returns: vocab