Youtube-dl can not download videos from Packtpub subscription ?

[silverbret1709]

Checklist

• [x ] I'm reporting a broken site support
• [x ] I've verified that I'm running youtube-dl version 2019.07.12
• [x ] I've checked that all provided URLs are alive and playable in a browser
• [x ] I've checked that all URLs and arguments with special characters are properly quoted or escaped
• [x ] I've searched the bugtracker for similar issues including closed ones

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', '-u', 'PRIVATE', '-p', 'PRIVATE', '-o', 'D:/XXX/Packt/%(playlist)s/%(chapter_number)s-%(chapter)s\\%(autonumber)02d-%(title)s.%(ext)s', '--external-downloader-args', '-j 8 -s 8 -x 8 -k 10M', 'https://subscription.packtpub.com/video/application_development/9781789953725']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2019.07.02
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.17763
[debug] exe versions: none
[debug] Proxy map: {}
[PacktPubCourse] 9781789953725: Downloading JSON metadata
ERROR: Unable to download JSON metadata: <urlopen error [Errno 11001] getaddrinfo failed> (caused by URLError(gaierror(11001, 'getaddrinfo failed'),))
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmphnjfkuku\build\youtube_dl\extractor\common.py", line 627, in _request_webpage
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmphnjfkuku\build\youtube_dl\YoutubeDL.py", line 2227, in urlopen
  File "C:\Python\Python34\lib\urllib\request.py", line 470, in open
  File "C:\Python\Python34\lib\urllib\request.py", line 580, in http_response
  File "C:\Python\Python34\lib\urllib\request.py", line 502, in error
  File "C:\Python\Python34\lib\urllib\request.py", line 442, in _call_chain
  File "C:\Python\Python34\lib\urllib\request.py", line 685, in http_error_302
  File "C:\Python\Python34\lib\urllib\request.py", line 464, in open
  File "C:\Python\Python34\lib\urllib\request.py", line 482, in _open
  File "C:\Python\Python34\lib\urllib\request.py", line 442, in _call_chain
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmphnjfkuku\build\youtube_dl\utils.py", line 2724, in https_open
  File "C:\Python\Python34\lib\urllib\request.py", line 1185, in do_open


## Description
Can not download packtpub course with trials 10 days account
Here my command
youtube-dl --verbose -u user@gmail.com -p password -o "D:/XXX/Packt/%(playlist)s/%(chapter_number)s-%(chapter)s\%(autonumber)02d-%(title)s.%(ext)s" --external-downloader-args "-j 8 -s 8 -x 8 -k 10M"  https://subscription.packtpub.com/video/application_development/9781789953725

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