Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d3920f03fc3a407f969897dd864e68b6 : SUCCESS in 8m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/680c5fa347f64d01879776b4325b862d : FAILURE in 7m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f442a8e51a694a5291a24cf331f04206 : SUCCESS in 8m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0188fc145b65403b9fcd74056e397271 : SUCCESS in 9m 54s