Build failed. https://zuul.opendev.org/t/openstack/buildset/66d32b625e714a90b007697d1cbf8ff0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e44abcf2c1bd438c8f075a960134ed7e : SUCCESS in 5m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/09f94dded29d463797ba49e453d71d4d : FAILURE in 4m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5e33fa61d3cf4f10b1aa6d9f11aca256 : SUCCESS in 5m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3b376a3c58f444dbb95ba047b8a1c209 : SUCCESS in 5m 08s