Build failed. https://zuul.opendev.org/t/openstack/buildset/3189234e5e7443f2b108cb0379ab9565 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d1b7c64a0f48457587ac49a235ab09e2 : SUCCESS in 4m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2bb1eb99297745669cfc9495ba0d9db2 : FAILURE in 3m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c16b26fa216c44dfbe29b24634e762cb : SUCCESS in 3m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/81f362d1ff2f441395a207799f248672 : SUCCESS in 5m 40s