Build failed. https://zuul.opendev.org/t/openstack/buildset/a0e82c1a358547529e4605f323040de8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4fe0cd1e01cf4096a4ec07d403ecf269 : SUCCESS in 3m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/51aaae75666b47e69d756bb6f729c9d6 : FAILURE in 2m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/57be22bb642f4a658e50e93e7a30cf75 : SUCCESS in 3m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b9a29701433f48c8831a300f80ae76e5 : SUCCESS in 3m 58s