Build failed. https://zuul.opendev.org/t/openstack/buildset/84a94972f2a84090a84037adae07acc1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bd51215788a3467fbd534cfcd3c2e9bb : SUCCESS in 2m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/18ae7c0bcd914f66badc700ef655c564 : SUCCESS in 3m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/767abdcfe09642a887ed626ba3b92f71 : FAILURE in 3m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/732daa4ccc8147d98048b355ce8750d9 : FAILURE in 2m 47s