code: def list_field(default=None, metadata=None):
      return field(default_factory=lambda: default, metadata=metadata)
  
imports: import json
  import logging
  import os
  import re
  import sys
  from dataclasses import dataclass, field
  from typing import Any, Dict, List, Optional, Union
  import datasets
  import numpy
  import torch
  import torchaudio
  from packaging import version
  from torch import nn
  import transformers
  from transformers import HfArgumentParser, Trainer, TrainingArguments, Wav2Vec2CTCTokenizer, Wav2Vec2FeatureExtractor, Wav2Vec2ForCTC, Wav2Vec2Processor, is_apex_available, set_seed
  from transformers.trainer_utils import get_last_checkpoint, is_main_process
label_desc: Use image node_id 1 for calling a global function with example usage: list_field(default, metadata) and returns: field