Build failed. https://zuul.opendev.org/t/openstack/buildset/d2890b874d7e4eaea9bd5b0947fb25c3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d0fa9b925e0d43b6810c5fd9a7029a74 : FAILURE in 9m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f0ce3f305c2a4b348cec20ae7391c2d5 : SUCCESS in 10m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/677a64496f104c2681f0a49f24aef06d : SUCCESS in 4m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b2df5ea2b5324bc7b1997e43bc3ed554 : SUCCESS in 5m 44s