Build failed. https://zuul.opendev.org/t/openstack/buildset/612146c7d8d34bdc97fcf55b24540ec3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/950e87076e874fe681ff152ca2da4161 : FAILURE in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9fe1f81e907748c78b9a431287c9e94d : SUCCESS in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f9f8b78a7f1343c68e2a7429fee81d94 : SUCCESS in 3m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bfec74c95e384e76bf1ef24400869b83 : SUCCESS in 3m 17s