Build failed. https://zuul.opendev.org/t/openstack/buildset/ae52c959b1b24331a85732f7b9814108 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/16a84ebba4e847c9936bd73b75210673 : SUCCESS in 3m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d4bc2cd7604740c3804c3e7a03cb693b : FAILURE in 2m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/79fb8775298b4b3c8725529035a5de16 : SUCCESS in 2m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c6c322e0438342478390bb3248b59482 : FAILURE in 3m 05s