Build failed. https://zuul.opendev.org/t/openstack/buildset/c7854b8bc1734175b577c8f5fe4eb84a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f023b20e250f4ff4a2f5a68a547bacef : SUCCESS in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/73a81eaf78a94f89992ef3c8bff4f4cf : FAILURE in 2m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eef06206b3d9498db6020db59eec6979 : SUCCESS in 3m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9fd095215172422e9eaa15e1da5c0f1d : SUCCESS in 3m 43s