Build failed. https://zuul.opendev.org/t/openstack/buildset/df9243e8477f46c0971e0dfe013b91e3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/250abba5f0364c62814763ac5d73c608 : SUCCESS in 2m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e8cc8eb345e84e06b456ed99d3d5a42b : FAILURE in 2m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/854e2989e49948168e8a745fc9f181a1 : SUCCESS in 2m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/91cd6838a9d14bea987f4b87b04f3a9a : FAILURE in 5m 20s