Build failed. https://zuul.opendev.org/t/openstack/buildset/11583702337d41138b9929f58c120227 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a3cd328c838b4af1bf1611e943051b23 : SUCCESS in 3m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6bf7e063103c4ca697dfb0b33520b704 : FAILURE in 3m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/671a0c312e4349f8b04a1d6ccb77dbad : SUCCESS in 3m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/edbd072db6fe401a86fa7a4d0e1d93e2 : SUCCESS in 3m 53s