Build failed. https://zuul.opendev.org/t/openstack/buildset/0ff65f1fe24140ebb5c0fbe1ffafc387 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/02ed0d2d497e401c80d1409d0210af6e : SUCCESS in 5m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/11359b6e53754ac98cf7d11e2628bf05 : SUCCESS in 5m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/af3ded4720f14c09b24b336310740110 : SUCCESS in 9m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/295d4eece421479486258cc43fcc296b : FAILURE in 4m 56s