Build failed. https://zuul.opendev.org/t/openstack/buildset/43da8a200b09477ba7dfc876cbdd4af6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/27de6a5cadd14596a0b1fb6d11a05c9c : FAILURE in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/93e7b3614b794aba87d74f5c38b1bd48 : SUCCESS in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/68ec94ca01e34fc98a2bb21a04006a22 : SUCCESS in 3m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a4d1a18f158b4a8eb76c9bfaddf6a50f : SUCCESS in 4m 13s