Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2424f584a0c74740af9c7ab4c754b9c3 : SUCCESS in 4m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2426d2025fb0425ab43ef77b0d8137cb : FAILURE in 3m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eb52015452ee4f7a8ba9e717ec169847 : SUCCESS in 4m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c0801fad6fa8437398d2b2b6b7a7be2c : SUCCESS in 5m 35s