Build failed. https://zuul.opendev.org/t/openstack/buildset/c3bc20aacb6248a3bcbed41e2a9c4465 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c7df239ddbff4186ab6de17c377fc956 : SUCCESS in 4m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ba76ef637966429582caa50cfc5f9ef0 : SUCCESS in 3m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5b8eed86fd7443c4a10c6a8178add857 : FAILURE in 3m 39s