Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d3f263797aed4afabbdc21d5c9ab687a : SUCCESS in 4m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c8150c2983a24606b5274d13c33c054c : FAILURE in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/89e61eb79e1540cbaa056d4756319466 : SUCCESS in 6m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d63fdd116e464d1a8d60b8c5abc153ca : SUCCESS in 4m 50s