Build failed. https://zuul.opendev.org/t/openstack/buildset/11e1f4f54ef14b3896f514b9ba94ba98 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b7db41bba9da458dabe70813e1328fd9 : SUCCESS in 3m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/55e3a29b76534a4a8df64412ad94a9d0 : FAILURE in 2m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e573a58971834c56b528bf884200f19d : SUCCESS in 3m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c53f154aa0c549aba7051b9b47c671f8 : FAILURE in 2m 40s