Updated openstack/openstack
Project: openstack/nova  47db19d093ed9b3187d01b4ba94091b8c15161fc
null
Change HTTPUnprocessableEntity to HTTPBadRequest

Change HTTPUnprocessableEntity to HTTPBadRequest, and use the
parameter 'explanation' in place of'detail' to show the correct
error message.
This patch fixes this bug.

Change-Id: I6dc2cbe29f24634138ba4c5255b0edd7b8ad6b0e
Closes-Bug: #1283876