Build failed. https://zuul.opendev.org/t/openstack/buildset/b58d296985524abb99e2ca506cc697f4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/efefe6ce9c6f480c9ef1d031d54d462d : SUCCESS in 4m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8cc39e7881ad42af88a82c774cb2fcd9 : FAILURE in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/489ac1022aed4d1ea1c6fecf6af3d302 : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/273c05ef80df48c5937687987a5263e4 : SUCCESS in 3m 28s