Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5c92cb0f8fde4a19879f7f6792e55d02 : SUCCESS in 3m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c752e5ba3c574b3587cffc357187df05 : FAILURE in 5m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/11637ec7af044fd1979abfc823bbfc64 : SUCCESS in 4m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e4cc9b11c28741a7ba660896b62c9c07 : SUCCESS in 5m 33s