Build failed. https://zuul.opendev.org/t/openstack/buildset/ab4fb8310c1147b1957ffe4cf2dafc95 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3820f5ebf73d40d8af029a3de2302ae7 : FAILURE in 3m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e6694a736b5e47a98455e628aa841a42 : SUCCESS in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2285a8bc3feb4f4eb6c91101c35b21b4 : SUCCESS in 4m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/911fdc3778b648b2bc3453c24ff7be69 : SUCCESS in 3m 14s