Build failed. https://zuul.opendev.org/t/openstack/buildset/82796890ef1a429d85bb633715910eb2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3b251cc31e694b1e8e57cfb9bff43f47 : FAILURE in 6m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c74a5a0ee6ac4b618443b135f739618d : SUCCESS in 5m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bebc926913f9432c80f899fe4fc1ecc5 : SUCCESS in 6m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1cde09f26d8f42d699b21bd2e0f38aa3 : SUCCESS in 6m 17s