Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/aca40087a4064c209108a50cfc0c725d : SUCCESS in 7m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ca1cb968e6184dff9b5bbce0af00189b : FAILURE in 5m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/38300f722e0145f1badf29c83ce069df : SUCCESS in 6m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/019bafdde51748958ba0aae19697514d : SUCCESS in 5m 41s