Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e8220331e5fa4e588edbddbea8b16b9e : SUCCESS in 31m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cd2ed9f8c75642b38aa1d6c72db293b8 : FAILURE in 18m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/47c13c6c8e72415baef7ccc4479fc487 : SUCCESS in 20m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0ced5840e82b47b68f137b1fe65499ca : SUCCESS in 25m 49s