Build failed. https://zuul.opendev.org/t/openstack/buildset/ffa26f260aff4ec6817ea97feac7dd8d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2a744ada8b4c473bb58dbdaa239b995b : SUCCESS in 3m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c7634e5ad42344478eca2705c8ec7d32 : SUCCESS in 2m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bb756472c0bf43beb34d347d20ce9ed5 : SUCCESS in 3m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1bdeed0d4b6f4238bea792fc06ba5cc7 : FAILURE in 3m 01s