Updated openstack/openstack
Project: openstack/python-neutronclient  4dc32be401a599aef035f75733405e912f235fad
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Return response status reason on error

Upon server error, return the status reason if the body is empty, to
help debug server issues.

Change-Id: I29aef075081965bb8ecacf45a166ca9dbd4cbb8d
Closes-Bug: #1287110