Build failed. https://zuul.opendev.org/t/openstack/buildset/0baa509f67c54f5687fee82810759f6c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0e9e3f48751b47da9e56f32f9e5da79a : SUCCESS in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/be4ca932fdb44d40ad685753cfb990d5 : FAILURE in 4m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/17da34d632474dd7b1975479b8547b2f : SUCCESS in 2m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3484a44cfb3c4e6dbd14c1775dcf6d24 : FAILURE in 4m 20s