Correct reraising of exception
Correct reraising of exception

when an exception was caught and rethrown, it should call 'raise'
without any arguments.

Change-Id: I01a06c344361d44a728e8e75bc0b2ebee557e5f0

rajalokan/keystone,openstack/keystone,cernops/keystone,rajalokan/keystone,cernops/keystone,ilay09/keystone,rajalokan/keystone,ilay09/keystone,openstack/keystone,mahak/keystone,ilay09/keystone,mahak/keystone,openstack/keystone,mahak/keystone