Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a84d5c620312450891815cc1f6b76a50 : SUCCESS in 4m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/00cb6ff64f1d4bec96b41a697cb3edc5 : FAILURE in 2m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/df5e6583440f40f7afe73f4eb4042755 : SUCCESS in 3m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/77ae371941074979a8278c7025dd8162 : SUCCESS in 4m 26s