Download Lowest Quality when Preferred Quality not Available.

[Midnex]

Linux Mint 19.3 x64
Destination path =
Video quality = 1080
Audio quality = 160
When unavailable = Lowest

Bug: When unavailable = Lowest doesn't appear to work.
url: https://www.youtube.com/watch?v=oIN488Ldg9k

Traceback (most recent call last): File "YouTubeDownloader.py", line 300, in <module> main() File "YouTubeDownloader.py", line 44, in main return settings_menu() File "YouTubeDownloader.py", line 177, in settings_menu return list_settings() File "YouTubeDownloader.py", line 269, in list_settings return settings_menu() File "YouTubeDownloader.py", line 177, in settings_menu return list_settings() File "YouTubeDownloader.py", line 269, in list_settings return settings_menu() File "YouTubeDownloader.py", line 183, in settings_menu return main() File "YouTubeDownloader.py", line 42, in main return downloads_menu() File "YouTubeDownloader.py", line 82, in downloads_menu return main() File "YouTubeDownloader.py", line 42, in main return downloads_menu() File "YouTubeDownloader.py", line 78, in downloads_menu download_video(pytube_object) File "YouTubeDownloader.py", line 148, in download_video type='video', res=default_quality).order_by('resolution').desc().all()[0] IndexError: list index out of range

[Midnex]

Seems to be an issue with video format, below also works for audio but not video.
https://www.youtube.com/watch?v=CZ3wIuvmHeM