#!/usr/bin/env python
import gdata.contacts.service as gd_service
import gdata.auth as gd_auth
gd_client = gd_service.ContactsService()
auth_token = 'CLHinpz0BRDCgIPT_v____8B'
gd_client.auth_token = auth_token
gd_client.UpgradeToSessionToken()

Traceback (most recent call last):
  File "gdata_test.py", line 7, in <module>
    gd_client.UpgradeToSessionToken()
  File "/usr/lib/python2.5/site-packages/gdata/service.py", line 567, in UpgradeToSessionToken
    raise NonAuthSubToken
gdata.service.NonAuthSubToken

gd_client.SetAuthSubToken('CLHinpz0BRDCgIPT_v____8B')