Mangomolo live translation isn't recognized

[sagb]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2019.11.22
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

$ youtube-dl --verbose 'http://awaan.ae/live/23/%D9%82%D9%86%D8%A7%D8%A9%20%D8%AF%D8%A8%D9%8A%20%D8%A7%D9%84%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A9'
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--verbose', u'http://awaan.ae/live/23/%D9%82%D9%86%D8%A7%D8%A9%20%D8%AF%D8%A8%D9%8A%20%D8%A7%D9%84%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A9']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.11.22
[debug] Python version 2.7.16 (CPython) - Linux-4.19.0-6-amd64-x86_64-with-debian-10.2
[debug] exe versions: avconv 4.1.4-1, avprobe 4.1.4-1, ffmpeg 4.1.4-1, ffprobe 4.1.4-1, rtmpdump 2.4
[debug] Proxy map: {}
[awaan:live] 23: Downloading JSON metadata
[mangomolo:live] 23: Downloading webpage
ERROR: Unable to extract format url; 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 796, 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/mangomolo.py", line 29, in _real_extract
    ], webpage, 'format url')
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 1014, in _html_search_regex
    res = self._search_regex(pattern, string, name, default, fatal, flags, group)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 1005, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract format url; 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.

Description

Youtube-dl doesn't recognize mangomolo live translation:
http://awaan.ae/live/23/%D9%82%D9%86%D8%A7%D8%A9%20%D8%AF%D8%A8%D9%8A%20%D8%A7%D9%84%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A9