u1oauthrequest using deprecated ubuntu_sso APIs

$ u1oauthrequest https://one.ubuntu.com/api/account/
Traceback (most recent call last):
  File "/usr/bin/u1oauthrequest", line 44, in <module>
    consumer_secret=OPTIONS.consumer_secret)
  File "/usr/lib/python2.7/dist-packages/ubuntuone-couch/ubuntuone/couch/auth.py", line 121, in request
    credentials = get_oauth_credentials()
  File "/usr/lib/python2.7/dist-packages/ubuntuone-couch/ubuntuone/couch/auth.py", line 75, in get_oauth_credentials
    proxy.find_credentials(APP_NAME).iteritems())
  File "/usr/lib/pymodules/python2.7/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/pymodules/python2.7/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.7/dbus/connection.py", line 630, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.UnknownMethod: Method "find_credentials" with signature "s" on interface "(null)" doesn't exist