Build failed. https://zuul.opendev.org/t/openstack/buildset/bf8ebf802d3f4f209808bab3d46f5689 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b7a7788708da4af7a2a204c4ee546c58 : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/89c9d99d519c47a3bb1ea2eccfda8a48 : FAILURE in 2m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7f013f8e728b469788509c495fdbb958 : SUCCESS in 3m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f1db41c53efc44fd8a7dc1ffae3250d8 : SUCCESS in 3m 29s