Build failed. https://zuul.opendev.org/t/openstack/buildset/91d70a64ad2d46c7a6f0c07f7ec3a8a9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/23d42fbda0e14ceaae1a84ec92f086e2 : FAILURE in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e258f159c3d1473daeb6f1f77e9bf1c5 : SUCCESS in 16m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f08c45ef64b54f7db97abfbda81fa555 : SUCCESS in 3m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/30b990aa767745c79020b28986eda223 : SUCCESS in 4m 28s