Build failed. https://zuul.opendev.org/t/openstack/buildset/6e20f33e6f834d8a857a591810ce51ef - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9ae9fea778a1454c90c081b05f9154ac : SUCCESS in 4m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5baa13eaee894c11898eec10e971d57f : FAILURE in 4m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4522747da67c4c608729b607824fb819 : SUCCESS in 5m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7661838145d748749407c5a8f4acd908 : SUCCESS in 6m 16s