Build failed. https://zuul.opendev.org/t/openstack/buildset/414fad2528224a3fa67d8025321415a0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/15434f3c554148a895908721d761e983 : SUCCESS in 3m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a5a3ca0fcf5e42be81b085543f297f46 : FAILURE in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/da3eb4923fdb41cf863c25eb0526b3cf : SUCCESS in 3m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e3cc4e5be9b84423952bc78d374deec6 : SUCCESS in 4m 20s