Comment 8 for bug 451670

I'm suffering also the same bug:

$ ubuntuone-client-applet
Traceback (most recent call last):
  File "/var/lib/python-support/python2.6/dbus/connection.py", line 578, in msg_reply_handler
    reply_handler(*message.get_args_list(**get_args_opts))
  File "/usr/lib/python2.6/dist-packages/ubuntuone/oauthdesktop/auth.py", line 276, in got_state
    self.acquire_access_token(description, store)
  File "/usr/lib/python2.6/dist-packages/ubuntuone/oauthdesktop/auth.py", line 336, in acquire_access_token
    self.request_token = self.make_token_request(oauth_request)
  File "/usr/lib/python2.6/dist-packages/ubuntuone/oauthdesktop/auth.py", line 229, in make_token_request
    fp = opener.open(oauth_request.http_url, oauth_request.to_postdata())
  File "/usr/lib/python2.6/urllib.py", line 205, in open
    return getattr(self, name)(url, data)
  File "/usr/lib/python2.6/urllib.py", line 437, in open_https
    h.endheaders()
  File "/usr/lib/python2.6/httplib.py", line 868, in endheaders
    self._send_output()
  File "/usr/lib/python2.6/httplib.py", line 740, in _send_output
    self.send(msg)
  File "/usr/lib/python2.6/httplib.py", line 699, in send
    self.connect()
  File "/usr/lib/python2.6/dist-packages/ubuntuone/oauthdesktop/auth.py", line 58, in _connect_wrapper
    if self._tunnel_host:
AttributeError: HTTPSConnection instance has no attribute '_tunnel_host'

It started yesterday, I've just installed one update but it didn't fix it