Build failed. https://zuul.opendev.org/t/openstack/buildset/ca77834acbc944bcbc866a2a436d7350 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d0502b52c1e84a7d9760b6af3023c5c5 : SUCCESS in 5m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a67dc9bc6aaa4969bf342551abdbee28 : SUCCESS in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/69f707b471fd4d23bbd96aa039b7c62c : SUCCESS in 4m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/63106d4d72664131965b2d41abdc2f5e : FAILURE in 3m 27s