Build failed. https://zuul.opendev.org/t/openstack/buildset/5ee83761a21b43478962117090eadac9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1dfce9c6b8bf44aba70df66b9b92b094 : FAILURE in 4m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1ac7e156e1f54e1ba653c14d0053e38e : SUCCESS in 3m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bbed53320d634e3b892316602f6bdd4d : SUCCESS in 3m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/208e04ae789a4447aca0453026a2cb68 : SUCCESS in 3m 32s