Build failed. https://zuul.opendev.org/t/openstack/buildset/1e5516401c9d4cc4b4a19fcdfa533c1b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/96c43427df554006ba289ab6119b7bbf : FAILURE in 3m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ff71d856e74e4f868b5b3f7f6c106a6e : SUCCESS in 3m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/caf804750db04228928586536b151cab : SUCCESS in 3m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/78f417c1847240b9a08d530f146d3652 : SUCCESS in 3m 07s