[youtube.com] "No video formats found" when downloading video

[pcgrosen]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2019.07.16
• 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 'https://www.youtube.com/watch?v=8w0GImmMS1g' -vvv --call-home
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['https://www.youtube.com/watch?v=8w0GImmMS1g', '-vvv', '--call-home']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.07.16
[debug] Python version 3.6.7 (CPython) - Linux-4.15.0-54-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 3.4.6, ffprobe 3.4.6
[debug] Proxy map: {}
[debug] Public IP address: 72.205.xxx.xxx
[youtube] 8w0GImmMS1g: Downloading webpage
[youtube] 8w0GImmMS1g: Downloading embed webpage
[youtube] 8w0GImmMS1g: Refetching age-gated info webpage
ERROR: No video formats found; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "$VIRTUALENVROOT/lib/python3.6/site-packages/youtube_dl/YoutubeDL.py", line 796, in extract_info
    ie_result = ie.extract(url)
  File "$VIRTUALENVROOT/lib/python3.6/site-packages/youtube_dl/extractor/common.py", line 530, in extract
    ie_result = self._real_extract(url)
  File "$VIRTUALENVROOT/lib/python3.6/site-packages/youtube_dl/extractor/youtube.py", line 2361, in _real_extract
    self._sort_formats(formats)
  File "$VIRTUALENVROOT/lib/python3.6/site-packages/youtube_dl/extractor/common.py", line 1327, in _sort_formats
    raise ExtractorError('No video formats found')
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; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Description

Trying to download this gem of a movie, but running into the above. Perhaps it is related to the age restriction on the page. Any help would be greatly appreciated.