Unable to log in / download from FrontendMasters

[pawelgrzybek]

• I've verified and I assure that I'm running youtube-dl 2018.10.29
• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-u', u'PRIVATE', u'-p', u'PRIVATE', u'-f', u'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best', u'-o', u'%(playlist_index)s-%(title)s.%(ext)s', u'https://frontendmasters.com/courses/complete-react-v4/', u'--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.10.29
[debug] Python version 2.7.10 (CPython) - Darwin-18.0.0-x86_64-i386-64bit
[debug] exe versions: ffmpeg 4.0.2, ffprobe 4.0.2
[debug] Proxy map: {}
[FrontendMastersCourse] Downloading login page
[FrontendMastersCourse] Logging in
ERROR: Unable to log in; 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 tocall 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 792, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 507, in extract
    self.initialize()
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 411, in initialize
    self._real_initialize()
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/frontendmasters.py", line 32, in _real_initialize
    self._login()
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/frontendmasters.py", line 70, in _login
    raise ExtractorError('Unable to log in')
ExtractorError: Unable to log in; 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.

[dstftw]

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