Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/eaf736b785cb4c33998f50f0e1ef4eed : SUCCESS in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/14767261ac624f54af123d3691acaa8f : FAILURE in 4m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fdfd2bf4ce254c26aa14017ec408b44f : SUCCESS in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/28aaf23640e44d968bc1b86c28d86ad3 : SUCCESS in 4m 17s