hd wallpaper crashed

[manesh]

Distribution: Ubuntu 11.10 oneiric
Application: Ubuntu Tweak 0.8.3-1~oneiric1
Desktop:cinnamon

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/ubuntutweak/main.py", line 498, in _load_module
    page = module()
  File "/usr/lib/python2.7/dist-packages/ubuntutweak/tweaks/lovewallpaperhd.py", line 57, in __init__
    self.load_imageview()
  File "/usr/lib/python2.7/dist-packages/ubuntutweak/tweaks/lovewallpaperhd.py", line 64, in load_imageview
    self.jsonman.get_json()
  File "/usr/lib/python2.7/dist-packages/ubuntutweak/tweaks/lovewallpaperhd.py", line 122, in get_json
    fd = urllib2.urlopen(json_init_url, timeout=10).read().decode("utf-8")
  File "/usr/lib/python2.7/urllib2.py", line 126, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.7/urllib2.py", line 394, in open
    response = self._open(req, data)
  File "/usr/lib/python2.7/urllib2.py", line 412, in _open
    '_open', req)
  File "/usr/lib/python2.7/urllib2.py", line 372, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/urllib2.py", line 1201, in http_open
    return self.do_open(httplib.HTTPConnection, req)
  File "/usr/lib/python2.7/urllib2.py", line 1171, in do_open
    raise URLError(err)
URLError: <urlopen error [Errno -2] Name or service not known>