Build failed. https://zuul.opendev.org/t/openstack/buildset/19c5b2f8169047b7b25f36554fddbc3e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d04b02ccf7ad4a65b46da36224837c54 : FAILURE in 3m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bd61574cc6f6479dac53fb999d7025eb : FAILURE in 3m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/676f0907f9034de6bafa418b15a709c2 : FAILURE in 3m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e7c68985b6194e89b29600153fa82f31 : FAILURE in 3m 54s