Updated openstack/openstack
Project: openstack/glance  17974cef1c66b2b43d831b2e035652290fbc0da9
null
When re-raising exceptions, use save_and_reraise

In some cases the exception context can be cleared,
resulting in None being attempted to be re-raised after
an exception handler is run.

Change-Id: I16811ba8f0bfaa15199a648748bbc7d7a6a500bc
Partial-Bug:#1281453