Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e0e96c3351de424eb82bf98af3a47c3e : SUCCESS in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/08e96d614649474ea97f04a9f5fdc307 : FAILURE in 3m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ef584ae97f244b249cf9866842ffe2f1 : SUCCESS in 6m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7762ba30571045ebbff79bdd25a80eee : SUCCESS in 4m 49s