Build failed. https://zuul.opendev.org/t/openstack/buildset/86ffb3539b424a718642b37d251b8c6a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4e8b2d31c60b4529a9d0c40861509eda : SUCCESS in 3m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/680dae9087c94b27a811adbe9fa14f44 : FAILURE in 2m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eedc609008b645619876eceaba208be2 : SUCCESS in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fa7c6ece31834d7890bf9b7b37be7ab9 : FAILURE in 2m 45s