No video formats found in mpd

[Ceaphyrel]

I tried to download a video from a local (czech) tv station's website and it failed.
I can download the mpd file ok and the content seem fine as far as I can tell.

~$ youtube-dl -F https://nova-voyo-cz-usp.ssl.cdn.cra.cz/3nHbgytToZboTUIo-yBANg==,1590285658/2020/01/29/1668693/1668693.ism/1668693.mpd --verbose
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-F', u'https://nova-voyo-cz-usp.ssl.cdn.cra.cz/3nHbgytToZboTUIo-yBANg==,1590285658/2020/01/29/1668693/1668693.ism/1668693.mpd', u'--verbose']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.05.08
[debug] Python version 2.7.17 (CPython) - Linux-4.15.0-96-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 3.4.6, ffprobe 3.4.6
[debug] Proxy map: {}
[generic] 1668693: Requesting header
WARNING: Falling back on generic information extractor.
[generic] 1668693: Downloading webpage
[generic] 1668693: Extracting information
ERROR: 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):
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 797, in extract_info
ie_result = ie.extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 530, in extract
ie_result = self._real_extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 2400, in _real_extract
self._sort_formats(info_dict['formats'])
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 1350, in _sort_formats
raise ExtractorError('No video formats found')
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.