Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3c127fc5ddc84c4188731a4cf7a04133 : SUCCESS in 17m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b219c21ef8b84ab59c951325e2eedde1 : FAILURE in 12m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/71c68893dbe0454ca51a16a864f3b8f9 : SUCCESS in 14m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/58c5b2f4767c46dfa702a3d7652f2751 : SUCCESS in 15m 14s