Build failed. https://zuul.opendev.org/t/openstack/buildset/0953ecf21ab0414dacdd6e0ee5d7bc6c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/36b19cf18fb64651af249701fac2b5f6 : SUCCESS in 3m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1737e481cc50460b8b5a2b3af99fa79a : FAILURE in 5m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fa7c583e802c486ebe1ce608ccb0bc53 : SUCCESS in 5m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f4ead3b82b3e4a27a59798d479da230e : SUCCESS in 3m 48s