Updated openstack/openstack
Project: openstack/python-keystoneclient  b7f4b1054d45a3fd33b8218d77f4c9ff2e508d9a

Use keystoneclient.exceptions

keystoneclient.apiclient.exceptions is deprecated.
Instead keystoneclient.exceptions should be used.

Change-Id: I546defeac5c2a1f4d3e68885e45019a6a6ecb027