Build failed. https://zuul.opendev.org/t/openstack/buildset/da67fd851b6f46229bb43926dd34ce37 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ebe068f9fffd49048763124c84476dcc : FAILURE in 8m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d1a5dc8c51ab46dab39f4af3a9c7171b : SUCCESS in 6m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6c0d34b4062a4564bc93f00f1b1f4f64 : SUCCESS in 7m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/44195294a165400caffab03499f1ee63 : SUCCESS in 7m 39s