Build failed. https://zuul.opendev.org/t/openstack/buildset/75b1abcce75741389b8da402ab31dea9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1c7c0ba9138d479f92b1d4d80e2d2b6a : SUCCESS in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f563d47f1fa04037825acc7dbb504e52 : FAILURE in 3m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1eba479951bf4eb3ba4a8b4aa02f1928 : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4b81fabcedb14e189ec03c2008b5ed5d : SUCCESS in 4m 46s