Unable to download webpage: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED]

[Hiaccount]

Checklist

• I'm reporting a broken site support issue
• I've verified that I'm running youtube-dl version 2020.03.08
• 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 bug reports including closed ones
• I've read bugs section in FAQ

Verbose log

youtube-dl -v https://xhamster.com/videos/stuffed-
claire-x-edgar-short-12635697
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'https://xhamster.com/videos/
stuffed-claire-x-edgar-short-12635697']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.03.08
[debug] Python version 2.7.17 (CPython) - Linux-4.15.0-66-generic
-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 4.2.2-0york0, ffprobe 4.2.2-0york0
[debug] Proxy map: {}
[XHamster] 12635697: Downloading webpage
ERROR: Unable to download webpage: <urlopen error [SSL: CERTIFICA
TE_VERIFY_FAILED] certificate verify failed (_ssl.c:727)> (caused
 by URLError(SSLError(1, u'[SSL: CERTIFICATE_VERIFY_FAILED] certi
ficate verify failed (_ssl.c:727)'),))
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py"
, line 627, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line
2238, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/lib/python2.7/urllib2.py", line 429, in open
    response = self._open(req, data)
  File "/usr/lib/python2.7/urllib2.py", line 447, in _open
    '_open', req)
  File "/usr/lib/python2.7/urllib2.py", line 407, in _call_chain
    result = func(*args)
  File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 2728
, in https_open
    req, **kwargs)
  File "/usr/lib/python2.7/urllib2.py", line 1198, in do_open
    raise URLError(err)

Description

Ubuntu18.04
kernel-video-sharing script video grabber