Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5267493990614c5391ed919f32739e89 : SUCCESS in 6m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0308b5ad75704b72b69a2387ef9fe66b : FAILURE in 2m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/56394a96182d4806bf2993cf1fac7239 : SUCCESS in 4m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1d2e0bf0e8be4c7e87520263e661cca1 : SUCCESS in 4m 39s