Build failed. https://zuul.opendev.org/t/openstack/buildset/59b997c3f28a4d3da2f090943f035213 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b84ca99978f64e049c937d71e83aef98 : SUCCESS in 4m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6f39da31204744f19a29d1cce8b0da44 : FAILURE in 2m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b01642301a444d6aa8ef36a8cca0e897 : SUCCESS in 4m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/98fddca24c294c2886ab8f97aca0a914 : FAILURE in 3m 02s