code: def download_and_prepare():
      archive = maybe_download(
          TUDA_ARCHIVE, CLI_ARGS.base_dir, TUDA_URL
      )
      extracted = maybe_extract(archive)
      write_csvs(extracted)
      cleanup(archive)
  
file_path: DeepSpeech/bin/import_tuda.py
imports: import argparse
  import csv
  import os
  import tarfile
  import unicodedata
  import wave
  import xml.etree.ElementTree
  from collections import Counter
  import progressbar
  from deepspeech_training.util.downloader import SIMPLE_BAR, maybe_download
  from deepspeech_training.util.importers import validate_label_eng
  from ds_ctcdecoder import Alphabet
label_desc: Use image node_id 7 for calling a global function with example usage: download_and_prepare() without return types