Build failed. https://zuul.opendev.org/t/openstack/buildset/fa0d51ff5ef544b29202f18f0c4ab724 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/409288745cd34846847164ee3a64b8a9 : FAILURE in 3m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9da15234fffb4f5b8e037701b23727a0 : SUCCESS in 3m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fb0d112bbe82458aba7262a49bc61de2 : SUCCESS in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4f5bde6bfca24ae4a16f9ad8564ee64a : SUCCESS in 3m 26s