safari video extractor is broken

[grepmeister]

I believe that the safari extractor is broken.

youtube-dl --debug ...

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--verbose', u'--playlist-start', u'1', u'--autonumber-start', u'1', u'-u', u'PRIVATE', u'-p', u'PRIVATE', u'-o', u'%(autonumber)s - %(title)s.%(ext)s', u'-i', u'https://learning.oreilly.com/videos/red-hat-openshift/9780135767436/']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.05.11
[debug] Python version 2.7.13 (CPython) - Linux-4.9.0-8-amd64-x86_64-with-debian-9.9
[debug] exe versions: ffmpeg N-86980-g62b7553, ffprobe N-86980-g62b7553, rtmpdump 2.4
[debug] Proxy map: {}
[safari:course] Downloading login form
ERROR: Unable to extract csrf token; 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 "/second/jog/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 796, in extract_info
ie_result = ie.extract(url)
File "/second/jog/bin/youtube-dl/youtube_dl/extractor/common.py", line 528, in extract
self.initialize()
File "/second/jog/bin/youtube-dl/youtube_dl/extractor/common.py", line 432, in initialize
self._real_initialize()
File "/second/jog/bin/youtube-dl/youtube_dl/extractor/safari.py", line 27, in _real_initialize
self._login()
File "/second/jog/bin/youtube-dl/youtube_dl/extractor/safari.py", line 51, in _login
login_page, 'csrf token')
File "/second/jog/bin/youtube-dl/youtube_dl/extractor/common.py", line 1013, in _html_search_regex
res = self._search_regex(pattern, string, name, default, fatal, flags, group)
File "/second/jog/bin/youtube-dl/youtube_dl/extractor/common.py", line 1004, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract csrf token; 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.