ruutu.fi plugin fails yet again

[LoneFox78]

youtube-dl --verbose http://www.ruutu.fi/video/2257335
[debug] System config: []
[debug] User config: ['--no-mtime', '--no-cache-dir', '--no-check-certificate', '--youtube-skip-dash-manifest', '-f', 'best']
[debug] Command-line args: ['--verbose', 'http://www.ruutu.fi/video/2257335']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.11.10
[debug] Python version 3.5.0 - Linux-4.2.1-x86_64-AMD_Phenom-tm-_8600B_Triple-Core_Processor-with-glibc2.2.5
[debug] exe versions: avconv 11.4, avprobe 11.4, rtmpdump 2.4
[debug] Proxy map: {}
[Ruutu] 2257335: Downloading XML
[Ruutu] 2257335: Downloading f4m manifest
[Ruutu] 2257335: Downloading m3u8 information
[Ruutu] 2257335: Downloading f4m manifest
ERROR: Unable to download f4m manifest: <urlopen error [Errno -2] Name or service not known> (caused by URLError(gaierror(-2, 'Name or service not known'),))
  File "/usr/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 329, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "/usr/lib/python3.5/site-packages/youtube_dl/YoutubeDL.py", line 1873, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/lib/python3.5/urllib/request.py", line 465, in open
    response = self._open(req, data)
  File "/usr/lib/python3.5/urllib/request.py", line 483, in _open
    '_open', req)
  File "/usr/lib/python3.5/urllib/request.py", line 443, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.5/site-packages/youtube_dl/utils.py", line 680, in http_open
    req)
  File "/usr/lib/python3.5/urllib/request.py", line 1242, in do_open
    raise URLError(err)

I don't know very much about python, but to me that error looks like it's trying to download something that is not an URL. Also, as a workaround, commenting out the f4m stuff (lines 67-69) in the plugin makes it work at least for this particular series of videos.