On 03/05/2014 08:58 PM, Li, Chen wrote: > provider = keystone.token.providers.pki That needs to be the full path to the class. keystone.token.providers.pki.Provider -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20140306/d7c843fd/attachment.html>