Build failed. https://zuul.opendev.org/t/openstack/buildset/3a15ec4fc5724899ad088c412a24de6e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/be7f2f6f3a14444a8abdbe4faf8d2e26 : SUCCESS in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/28149e7346af4029b12feac540afe35d : SUCCESS in 4m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5bb08fb1241b482fb6a14f1c214a6242 : FAILURE in 3m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5dd227356dc643bc8fa9f9db6839136b : FAILURE in 3m 56s