Comment 7 for bug 423383

I have the same crash and it's definitely not any time related issue (unless a skew of 30 milliseconds is too much for ubuntuone to handle).

$ sudo ntpdate ntp.ubuntu.com pool.ntp.org
 9 Sep 17:04:02 ntpdate[7788]: adjust time server 207.171.30.106 offset 0.034221 sec
$ ubuntuone-client-applet
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 576, 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 241, in got_state
    self.acquire_access_token(description, store)
  File "/usr/lib/python2.6/dist-packages/ubuntuone/oauthdesktop/auth.py", line 307, in acquire_access_token
    callback=callback_url)
  File "/usr/lib/python2.6/dist-packages/ubuntuone/storageprotocol/oauth.py", line 286, in from_token_and_callback
    parameters['oauth_token'] = token.key
AttributeError: 'NoneType' object has no attribute 'key'