Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8eb0e45c17884218a48d420dbc0d299f : SUCCESS in 4m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/16cfa16838924dc083b1bf945363412e : SUCCESS in 6m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ab354f30ea1642cda68f6d90a2c7a907 : SUCCESS in 6m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/00b751891e96457faafda9bc740caedd : FAILURE in 3m 11s