Build failed. https://zuul.opendev.org/t/openstack/buildset/77747376cd874c65b83fc546c3008c95 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f651724141724070bc8ad279ffd93c07 : SUCCESS in 3m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7558298539834e4885fd7ca43fe409de : FAILURE in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/05004b74ee37423bb4265818fc01abde : SUCCESS in 3m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e10ad0abe5d44c03981882218ac7fbe8 : SUCCESS in 4m 51s