code: def handle_args():
      parser = get_importers_parser(
          description="Importer for African Accented French dataset. More information on http://www.openslr.org/57/."
      )
      parser.add_argument(dest="target_dir")
      parser.add_argument(
          "--filter_alphabet",
          help="Exclude samples with characters not in provided alphabet",
      )
      parser.add_argument(
          "--normalize",
          action="store_true",
          help="Converts diacritic characters to their base ones",
      )
      return parser.parse_args()
  
file_path: DeepSpeech/bin/import_slr57.py
imports: import csv
  import os
  import subprocess
  import tarfile
  import unicodedata
  from glob import glob
  from multiprocessing import Pool
  import progressbar
  from deepspeech_training.util.downloader import SIMPLE_BAR, maybe_download
  from deepspeech_training.util.importers import get_counter, get_imported_samples, get_importers_parser, get_validate_label, print_import_report
  from ds_ctcdecoder import Alphabet
label_desc: Use image node_id 5 for calling a global function with example usage: handle_args() and returns: parser