Build failed. https://zuul.opendev.org/t/openstack/buildset/43c3fa22ab634dc8a56b0681c4cc37a9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d1b6843f64e44bb49c20439b23928998 : FAILURE in 3m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c77f710a1e1244babf4b0682cbdc57e8 : SUCCESS in 3m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d86e201eabbf457e960da485d38a3d0a : FAILURE in 3m 32s