Build failed. https://zuul.opendev.org/t/openstack/buildset/3027930124d1457da6e3dbcae62f1c03 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a93b5c8988ab4ad6a304632cb7d429a9 : SUCCESS in 3m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2b45ce598a8146ef82d80fe805f435d7 : SUCCESS in 5m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dbd7ebd0c39e4a188886e90a006f64dc : SUCCESS in 6m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dbb3585c2572411da3a2c3dca153aec9 : FAILURE in 5m 07s