arte.tv/de: Unable to download webpage -- BadStatusLine

[Vulkanium]

Aloha!
This issue is reproducible on two different machines.

youtube-dl https://www.arte.tv/de/videos/074119-000-A/irak-und-wieder-brennt-das-oel/ --verbose

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--format', u'best', u'https://www.arte.tv/de/videos/074119-000-A/irak-und-wieder-brennt-das-oel/', u'--verbose']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.10.01
[debug] Python version 2.7.9 - Linux-3.16.0-4-amd64-x86_64-with-LinuxMint-2-betsy
[debug] exe versions: ffmpeg 2.6.9, ffprobe 2.6.9
[debug] Proxy map: {}
[arte.tv:+7] irak-und-wieder-brennt-das-oel: Downloading webpage
[arte.tv:+7] irak-und-wieder-brennt-das-oel: Downloading JSON metadata
[arte.tv:+7] irak-und-wieder-brennt-das-oel: Checking HLS_XQ_2 video format URL
[arte.tv:+7] irak-und-wieder-brennt-das-oel: Checking HLS_XQ_3 video format URL
[arte.tv:+7] irak-und-wieder-brennt-das-oel: Checking HLS_XQ_1 video format URL
[arte.tv:+7] irak-und-wieder-brennt-das-oel: Checking HLS_XQ_4 video format URL
[arte.tv:+7] irak-und-wieder-brennt-das-oel: Checking HLS_XQ_5 video format URL
[arte.tv:+7] irak-und-wieder-brennt-das-oel: Checking HTTPS_SQ_1 video format URL
ERROR: Unable to download webpage: '' (caused by BadStatusLine("''",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 503, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 2184, in urlopen
return self._opener.open(req, timeout=self._socket_timeout)
File "/usr/lib/python2.7/urllib2.py", line 431, in open
response = self._open(req, data)
File "/usr/lib/python2.7/urllib2.py", line 449, in _open
'_open', req)
File "/usr/lib/python2.7/urllib2.py", line 409, in _call_chain
result = func(*args)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/utils.py", line 1086, in https_open
req, **kwargs)
File "/usr/lib/python2.7/urllib2.py", line 1200, in do_open
r = h.getresponse(buffering=True)
File "/usr/lib/python2.7/httplib.py", line 1111, in getresponse
response.begin()
File "/usr/lib/python2.7/httplib.py", line 444, in begin
version, status, reason = self._read_status()
File "/usr/lib/python2.7/httplib.py", line 408, in _read_status
raise BadStatusLine(line)