Code-Review+2: ChangBo Guo(gcb) Workflow+1: ChangBo Guo(gcb) Verified+2: Zuul Submitted-by: Zuul Submitted-at: Wed, 20 Dec 2017 06:20:23 +0000 Reviewed-on: https://review.openstack.org/528889 Project: openstack/oslo.concurrency Branch: refs/heads/master