Traceback (most recent call last):


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp7hc5a09v\build\youtube_dl\YoutubeDL.py", line 796, in extract_info


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp7hc5a09v\build\youtube_dl\extractor\common.py", line 530, in extract


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp7hc5a09v\build\youtube_dl\extractor\ceskatelevize.py", line 201, in _real_extract


 "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp7hc5a09v\build\youtube_dl\extractor\common.py", line 1327, in _sort_formats
youtube_dl.utils.ExtractorError: No video formats found; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type
youtube-dl -U
to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Traceback (most recent call last):


 "test_background-matting_image.py", line 54, in <module>

model_name1=fo[0]
IndexError: list index out of range
