Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cad794b0caf14345b73e012177c61c3d : SUCCESS in 6m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eb7f1bde12d549c0ad39ed26427a4e3c : FAILURE in 5m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7ab454a26d924d04b0e952e54090490b : SUCCESS in 6m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d591e7709815409ba5b280601f911762 : SUCCESS in 6m 23s