Build failed. https://zuul.opendev.org/t/openstack/buildset/88a705dc4b8444d98c308fa02e590a60 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1dca9f641e5a484baf3bc3140286e52b : SUCCESS in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9453c677942d4d339fabaeccb3688eee : SUCCESS in 3m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/17580b67d5044ba5a100b7b7e49cc586 : FAILURE in 2m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8c2ebfb2d95e4583a249d43989742068 : FAILURE in 2m 45s