src/transformers/models/marian/convert_marian_tatoeba_to_pytorch.py/TatoebaConverter/download_lang_info
class TatoebaConverter:    def download_lang_info(self):
        Path(LANG_CODE_PATH).parent.mkdir(exist_ok=True)
        import wget

        if not os.path.exists(ISO_PATH):
            wget.download(ISO_URL, ISO_PATH)
        if not os.path.exists(LANG_CODE_PATH):
            wget.download(LANG_CODE_URL, LANG_CODE_PATH)