Build failed. https://zuul.opendev.org/t/openstack/buildset/ec021291fc8b4d06bc241c345f33bd7f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9f8e711489324cf48af5788bfad77c7c : SUCCESS in 3m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/53ca94de53184966aae9ccd396f55722 : FAILURE in 2m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/159f5f841ae04531b5e87f29980a689c : SUCCESS in 4m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/de09d10b8cfd4739a2110fee9bb957c5 : SUCCESS in 4m 19s