Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a433ec0a8dec40518b31db1129d665f0 : SUCCESS in 4m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3a5fb852263d43598ddb7ce45900cd7d : FAILURE in 3m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/203ffde8e7ad4ce6811b0ebe51b35a41 : SUCCESS in 4m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/99a189b73889426e8b3fb088bc0b273f : SUCCESS in 5m 19s