Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/db85049af3b64e5f8619a38652566c8c : SUCCESS in 8m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9dc3aaac50d44a4bab3f63aa512452ec : FAILURE in 6m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f5c2e5aeeb2b4d47bed54d0e301e18f1 : SUCCESS in 5m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e2017050b3494feaa8bb95ee965d8b99 : SUCCESS in 5m 24s