Build failed. https://zuul.opendev.org/t/openstack/buildset/0d74d0c931444fc0a106e1e6b1017e0f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/de6d82e818a04e539b5a9f17610f061f : FAILURE in 6m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/16cc6149cc904ae58dc27cb57f7f46f3 : SUCCESS in 5m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cee79d22b2184f88ba0592fe20458706 : SUCCESS in 5m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/76fc80dadd744d48a6ea0b7ee1335ae7 : SUCCESS in 5m 21s