Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d95860ea03c447a2b33a1ff13cdefccb : SUCCESS in 4m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6e4669a952d04201a03d92f4968dca63 : FAILURE in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/312c30a5e185411a940036811deb5f7c : SUCCESS in 4m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8174534274d946fb87280a4428956448 : SUCCESS in 4m 34s