Build failed. https://zuul.opendev.org/t/openstack/buildset/fca41e8b002343fcb39593b4dffcad17 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e4ba0e93293443a08f55cda99a19ce37 : FAILURE in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6dfff7c0bfee4444aa0e77f915ad6a88 : SUCCESS in 3m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7c4ec16cdee54f1e963beae6a3f41624 : FAILURE in 3m 25s