Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7b68cc1b9a8e4cddb597d95d2884497b : SUCCESS in 9m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a2e0b4f581cb407096210512b08349db : FAILURE in 5m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8441ee8367664bbbbce5ca9f66b1bf36 : SUCCESS in 6m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/34d9a06f2e4d44e796ba4b833258fec9 : SUCCESS in 6m 32s