Build failed. https://zuul.opendev.org/t/openstack/buildset/632caafe53644d2ea6fa3aa1c96193e7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/936151c482c64e2ba00983fe3fd3eb64 : FAILURE in 5m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7161468c169b4512b148ad51615c99b5 : SUCCESS in 4m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cd7e41eb14ca40b7be84132cf259fdde : SUCCESS in 7m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/96223c595caa402c9b7dd449858d99e6 : SUCCESS in 5m 37s