Build failed. https://zuul.opendev.org/t/openstack/buildset/0e5bfe6ee1b642b198ab7b07e6749ccb - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e5f2654d2e604430b16c539befb23e39 : SUCCESS in 3m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/248b4fb44bb644a7997c4edfbe852126 : SUCCESS in 3m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f7d035d369e846a3b0b6b2858e97e139 : FAILURE in 3m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b1f3ded74b6246f4a1e4eaea9b0a8fb4 : FAILURE in 2m 49s