Keystone doesn't return a user email in it's json response if the field is empty, which will raise exceptions when loading users table:
The attribute email doesn't exist on <User {u'username': u'nova', u'enabled': True, u'name': u'nova', u'id': u'1b57074e239b49c8b77175d0107dd2a1'}>.
The attribute email doesn't exist on <User {u'username': u'glance', u'enabled': True, u'name': u'glance', u'id': u'24aa02268a22413b9cb922283273387b'}>.
The attribute email doesn't exist on <User {u'username': u'cinder', u'enabled': True, u'name': u'cinder', u'id': u'532d95cdcd914e95a0d29178161dba65'}>.
The attribute email doesn't exist on <User {u'username': u'admin', u'enabled': True, u'name': u'admin', u'id': u'67bffb7f749a40fa898453ebf5ef83bb'}>.
The attribute email doesn't exist on <User {u'username': u'neutron', u'enabled': True, u'name': u'neutron', u'id': u'a5f96e136c124737be25e59ec66af08b'}>.
The attribute email doesn't exist on <User {u'username': u'ironic', u'enabled': True, u'name': u'ironic', u'id': u'c09d491925ed42709a7aaf9b7fe50928'}>.
Fix proposed to branch: master
Review: https:/