Traceback (most recent call last):
  File "/usr/bin/gwibber-accounts", line 80, in <module>
    accounts.GwibberAccountManager()
  File "/usr/lib/python2.6/dist-packages/gwibber/accounts.py", line 75, in __init__
    self.protocols = json.loads(self.pub.GetServices())
  File "/usr/lib/python2.6/dist-packages/gwibber/lib/__init__.py", line 32, in GetServices
    return self.service.GetServices()
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 620, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1