Build failed. https://zuul.opendev.org/t/openstack/buildset/9945be8df80b4943ad686ea323132f47 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ca1829ca6e56454facffa955136afdb4 : SUCCESS in 4m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9e3992575b7d40d98081a11ac2d1c939 : FAILURE in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/98c576543a8b4f808f8b7462ef6d2b33 : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d6f5588cf39e43609f1fba4b1ee2b3da : SUCCESS in 3m 32s