Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9d70063acca643bf8b4720187f6aa476 : SUCCESS in 7m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ddc05fdcc08c4438b878935f0e3d1c0d : FAILURE in 15m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b978747b1d3f4344ac4fc91a0578f468 : SUCCESS in 12m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bd40eadf0514414ca4a0c3c940cd417d : SUCCESS in 29m 53s