Build failed. https://zuul.opendev.org/t/openstack/buildset/81a40c08cbb34539a83215f0c991a49a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fc4110fa6449403f9a48370688a60851 : SUCCESS in 3m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a13a48e4957b4803abddbe704f64f727 : SUCCESS in 3m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/467b98e562494bdcbedf3a55245c25ff : FAILURE in 4m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6810647e197944589bfe655870506728 : FAILURE in 3m 14s