Build failed. https://zuul.opendev.org/t/openstack/buildset/8a6792f648d54fa4b09d25306bc84385 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/863339ce03a24264a60732b52db0310d : FAILURE in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cabfcd3623554af7b93c33e1e496cd0c : SUCCESS in 3m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/24e43bc8ebbe4696892dace1b0e2ca8f : SUCCESS in 3m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/396f8d952e074fe683679fe39fafed0a : SUCCESS in 4m 24s