Build failed. https://zuul.opendev.org/t/openstack/buildset/2a72bb26afa84e56bc6b74f165f25773 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/587a5ce0336f44abb09bc0d8259ce9a6 : SUCCESS in 3m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ee59a16851b44b04b0debc7bc87ecd69 : FAILURE in 3m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/78644a057bcd4640ac080cf7489d11a2 : SUCCESS in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/84bff58e8ea843b1a8df0a35b2cd05ae : SUCCESS in 4m 15s