Updated openstack/openstack
Project: openstack/python-keystoneclient  8b2f6b5540d2afd373614e5792b80a1f3166f123

Use oslo.utils

keystoneclient was using utility function from oslo-incubator
rather than oslo.utils.

Change-Id: I2909a2150b9556e54ef88e72358fda1cf8b7cc1c