Build failed. https://zuul.opendev.org/t/openstack/buildset/530d82a129054845978a7a6cd1baca11 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f16977b4eaca40fa8fd68dec5f181ff1 : FAILURE in 3m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6bf7513b91284e478f4a92dbdd35e50c : SUCCESS in 4m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fa8d95d184a042dcb52e6d957d2225cc : SUCCESS in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2e6ae3a1f10742b289eb14b446a655f6 : SUCCESS in 4m 21s