Build failed. https://zuul.opendev.org/t/openstack/buildset/018d33f0a1e14c168bb69c99385ee7ba - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f7fb57046efd453db92f80c0bf1b9aab : FAILURE in 2m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/797a1cb94231441cab2e01835a620edc : SUCCESS in 3m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fce0b339b2f4413cbfc841a7ad8fa96d : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f9e82d9f16894245a78c91a0d89adfa1 : SUCCESS in 3m 34s