twitter-notifier で 400

twitter の更新にはZenTwitter を愛用しています. で, 閲覧には TwitterNotifier を使用していたのですが...

  $ python twitter-notifier.py
  [02:56:34]  checking update
  Traceback (most recent call last):
    File "twitter-notifier.py", line 61, in check_update
      e = parse(file=urllib2.urlopen(r))
    File "/usr/lib/python2.5/urllib2.py", line 124, in urlopen
      return _opener.open(url, data)
    File "/usr/lib/python2.5/urllib2.py", line 387, in open
      response = meth(req, response)
    File "/usr/lib/python2.5/urllib2.py", line 498, in http_response
      'http', request, response, code, msg, hdrs)
    File "/usr/lib/python2.5/urllib2.py", line 419, in error
      result = self._call_chain(*args)
    File "/usr/lib/python2.5/urllib2.py", line 360, in _call_chain
      result = func(*args)
    File "/usr/lib/python2.5/urllib2.py", line 823, in http_error_401
      url, req, headers)
    File "/usr/lib/python2.5/urllib2.py", line 801, in http_error_auth_reqed
      return self.retry_http_basic_auth(host, req, realm)
    File "/usr/lib/python2.5/urllib2.py", line 811, in retry_http_basic_auth
      return self.parent.open(req)
    File "/usr/lib/python2.5/urllib2.py", line 387, in open
      response = meth(req, response)
    File "/usr/lib/python2.5/urllib2.py", line 498, in http_response
      'http', request, response, code, msg, hdrs)
    File "/usr/lib/python2.5/urllib2.py", line 425, in error
      return self._call_chain(*args)
    File "/usr/lib/python2.5/urllib2.py", line 360, in _call_chain
      result = func(*args)
    File "/usr/lib/python2.5/urllib2.py", line 506, in http_error_default
      raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
  urllib2.HTTPError: HTTP Error 400: Bad Request

...うーん.

多分簡単な事なんだろうけれど, python 触った事ないんです...