Build failed. https://zuul.opendev.org/t/openstack/buildset/cc6096c1de9d4d8a9cee15ad876ea07f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c835d3b781304259b0cdf15b325aeb4f : FAILURE in 6m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ea7f26b88b074efe9e3e69f668174def : SUCCESS in 5m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/41a2f9f7e20d4e109e7370745bd1d154 : SUCCESS in 5m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/51a63026587f40bab92465c447dffdd9 : SUCCESS in 5m 54s