Build failed. https://zuul.opendev.org/t/openstack/buildset/2f2a959ffa2048fa8b781f12d85fecf6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9797a94fbda84ad1a2cb774b99e1e209 : SUCCESS in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/23998d1c53194091850ba8f43d83de1f : FAILURE in 3m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1f7223e723c94326a271091817f32dd5 : SUCCESS in 3m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/feb017c1a5414f56b4b81d15fa4cf04d : SUCCESS in 3m 29s