Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/019ce6412adf4c1d993b40e94649787b : SUCCESS in 7m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f15aac9618b246428817c035806da396 : FAILURE in 5m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3c0dad9ff6ee475da7c2ea8583cc85bb : SUCCESS in 9m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2b0eee7507b1485eaa8ff74947055e5c : SUCCESS in 9m 26s