Build failed. https://zuul.opendev.org/t/openstack/buildset/36f93b3fd78f4ca1bcb0212822f2d528 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2d0ce80040fb405eb706f352a7e7418b : SUCCESS in 7m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/40cab972bb8f4e85ab202eac1dad75d9 : FAILURE in 2m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6bde9087241245fbb3ba72be3f5191b9 : SUCCESS in 4m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d0fea9d66b4b412e82e37ee185a2c5c8 : SUCCESS in 5m 08s