Python pytube.exceptions.RegexMatchError： 获取限速函数名称： 未找到匹配

def video_downloader(video_url_list: List[str], download_folder: str) -> None:
    """
    Download videos from a list of YouTube video URLs.
    
    Args:
        video_urls (List[str]): The list of YouTube video URLs to download.
        download_folder (str): The folder to save the downloaded videos.
    """
    successful_downloads = 0
    valid_urls: List[str] = []

    for url in video_url_list:
        if not url:
            continue

        try:
            with tempfile.TemporaryDirectory() as temp_dir:
                cleaned_url = clean_youtube_url(url=url)
                if _get_streams(url=cleaned_url, temp_dir=temp_dir):
                    create_folder(download_folder)
                    _merge_streams(
                        temp_dir=temp_dir, url=url, download_folder=download_folder
                    )
                    logger.info(f"The video from {url} was downloaded successfully")
                    successful_downloads += 1
                    valid_urls.append(url)
                else:
                    logger.warning(f"No valid video found at the URL: {url}")

        except Exception as e:
            logger.error(
                f"Error has occurred while downloading the video from {url}: {e}"
            )
            print(e)
    if successful_downloads != 0 and (successful_downloads == len(valid_urls)):
        messagebox.showinfo(
            title="Finished download",
            message=f"Your download is complete!.\n\n\t{successful_downloads}/{len(video_url_list[1:])}",
        )

这是我使用Pytube下载YouTube视频时使用的主要功能. 它昨晚工作得很好，但今天早上就不行了.我收到错误消息"pytube.expections.RegexMatchError:GET_THROTTING_Function_NAME:找不到匹配的多个"，这阻止了我下载任何视频或音频. 有什么可能的解决方案吗？