Build failed. https://zuul.opendev.org/t/openstack/buildset/e240768392cf426a97b51a90155f5a90 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1bac57c65802434ab6614230b61613b7 : FAILURE in 3m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/06c6f32df0cd4d188848b6bf3b5fa6ac : SUCCESS in 4m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0dfaebd222ae48a9970f6545f1877f90 : FAILURE in 3m 25s