Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6b323e16249f48c5a6bfecacaa55612e : SUCCESS in 5m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0f65770b935f4c489756d737516a4e4a : SUCCESS in 6m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6a20eeac2e68405385720e31894a26ae : SUCCESS in 7m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cf3c3fca08ab4073bcbef0986b34e664 : FAILURE in 4m 07s