Build failed. https://zuul.opendev.org/t/openstack/buildset/d2ff06e5954a4bc6b3e2d6eddd869c8b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/026ee0ac71e84664bcb592e4a4282994 : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/824f873fd25c45fc8d0aa4b17fc1d377 : FAILURE in 3m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2ee6596e14e4461a98e9d42d3f465146 : SUCCESS in 3m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ecd612b0695f4880bfa3bff890261747 : SUCCESS in 3m 39s