Build failed. https://zuul.opendev.org/t/openstack/buildset/abc88e060a48451f8d6d8609648c424e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/05c2468b87af4c66814aa205f6a7af96 : SUCCESS in 2m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e27bbc10cc1b451cb3540e5baeeb6ba8 : SUCCESS in 2m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e1090083bef04397ba62bb4aaf6000cd : SUCCESS in 2m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0713984d84f9425aa36861924975aa3e : FAILURE in 3m 09s