Build failed. https://zuul.opendev.org/t/openstack/buildset/26d41a3d7c5343838a5e65ac02842339 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2fd52bb676bf46c0b81fdf1ccd806212 : FAILURE in 2m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8645819eab9d42c9920545655e749720 : SUCCESS in 3m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2740a8978ece408391660202e9358eb7 : SUCCESS in 2m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/238674c56b114c11893a84760c8b1759 : SUCCESS in 3m 34s