Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bbf1b39efcb74e168cdc48b6db0bb316 : SUCCESS in 3m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b80b05bbbf334577b1808b710e581b57 : FAILURE in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/445b273eb5d74a33b9ff8e943fdaded0 : SUCCESS in 3m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/82626274c19e48d78058a4d114828e80 : SUCCESS in 3m 35s