Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/68ed87902c8a45fa83496e0a3e81415c : SUCCESS in 5m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/00a7e8ab922844fb8ff01620e8a83472 : FAILURE in 4m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b765846587ed40b6b84b738010d70b9d : SUCCESS in 5m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/87deeb6e6c314f35ac65f3f88b2cea55 : SUCCESS in 5m 59s