Updated openstack/openstack
Project: openstack/nova  3c26f638aa16cc9d06b17020362ad17a4834aaba

Check object's field

A nova object should have all fields as instance of fields.Field.
This patch adds a check on the metaclass to make sure of it.

This check happens only when class import so should have no
runtime performance impact.

Change-Id: I2cdf7eb097fb6907cbd048fa73138b352ab547d7