Build failed. https://zuul.opendev.org/t/openstack/buildset/3c33f602974f4618b0b15176cd29b0be - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/03e8a96e5d6241e5b1ad82776dd09a32 : FAILURE in 2m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b955985309064794912c27360711b9ff : SUCCESS in 3m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3dc453f4b5dc42eda707de560d7b0bf0 : SUCCESS in 3m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f236030132b44ad6990599356ad62cc6 : SUCCESS in 3m 30s