code: def list_audios(basePath, contains=None):
      # return the set of files that are valid
      return list_files(
          basePath, validExts=audio_types, contains=contains
      )
  
file_path: TTS/TTS/demos/xtts_ft_demo/utils/formatter.py
imports: import os
  import gc
  import torchaudio
  import pandas
  from faster_whisper import WhisperModel
  from glob import glob
  from tqdm import tqdm
  import torch
  import torchaudio
  from TTS.tts.layers.xtts.tokenizer import multilingual_cleaners
  import os
label_desc: Use image node_id 1 for calling a global function with example usage: list_audios(basePath, contains) and returns: list_files