Downloading from soundcloud.com throws a HTTP Error 401: Unauthorized

[noelforte]

Using youtube-dl version 2019.12.25
Device: MacBook Pro (Retina, 15-inch, Mid 2014).
Operating System: macOS Mojave, 10.14.6 (18G2022)

When using a soundcloud URL as input, youtube-dl throws the following warning:

WARNING: Unable to download JSON metadata: HTTP Error 401: Unauthorized

followed by the following error:

ERROR: Unable to download JSON metadata: HTTP Error 401: Unauthorized (caused by HTTPError()); 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.

Running in verbose mode outputs the following debug info:

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--add-metadata', u'https://soundcloud.com/arkpatrol/blossom-dearie-once-upon-a-summertime-ark-patrol-remix', u'--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.12.25
[debug] Python version 2.7.17 (CPython) - Darwin-18.7.0-x86_64-i386-64bit
[debug] exe versions: avconv 12.3, avprobe 12.3, phantomjs 2.0.0, rtmpdump 2.4
[debug] Proxy map: {}

Post-error the following stacktrace is returned:

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 2237, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/local/Cellar/python@2/2.7.17_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 435, in open
    response = meth(req, response)
  File "/usr/local/Cellar/python@2/2.7.17_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 548, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/local/Cellar/python@2/2.7.17_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 473, in error
    return self._call_chain(*args)
  File "/usr/local/Cellar/python@2/2.7.17_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 407, in _call_chain
    result = func(*args)
  File "/usr/local/Cellar/python@2/2.7.17_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 556, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)

Happy to provide further information to assist with debugging.

[noelforte]

is there a ticket number this is a duplicate of?