Updated openstack/openstack
Project: openstack/python-keystoneclient  53a175e7c6aca860f9a9eaa4af6d9801d0cfdba4

Changes exception raised by v3.trusts.update()

The client should raise a Client error, instead of
a Server one.

The MethodNotImplemented exeception handles calls
made to not supported methods.

Change-Id: I0e2a8c5e1e53b0f17b886aa693c922bc193bb882
Closes-Bug: #1325755