Youtube downloads. No video formats found.

[rjt123456]

Several videos I tried to download from youtube do not download. They run in the browser perfectly. Here is an example:

admins-iMac:~ admin$ youtube-dl -v https://www.youtube.com/watch?v=xi3c-9qzrPY
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'https://www.youtube.com/watch?v=xi3c-9qzrPY']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.03.24
[debug] Python version 2.7.16 (CPython) - Darwin-19.5.0-x86_64-i386-64bit
[debug] exe versions: avconv 12.3, avprobe 12.3
[debug] Proxy map: {}
[youtube] xi3c-9qzrPY: Downloading webpage
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/youtube.py", line 2364, in _real_extract
self._sort_formats(formats)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 1327, 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.

admins-iMac:~ admin$