Build failed. https://zuul.opendev.org/t/openstack/buildset/2b9cf22403644da78cf5f8cd02094979 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8ffafa1b061f4f158f6afec084c35fdb : SUCCESS in 5m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/03716b0b22a44918a7eea88726fb87c2 : FAILURE in 4m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b949aeb24e294c2c871de018226e9d99 : SUCCESS in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/499f97c79ce04ce3b8c4a56ff08d902f : SUCCESS in 3m 31s