Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c59b47370dcc46d0bf38a500afa5f00f : SUCCESS in 5m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dd6a3dff5b9644b99d9aedc22bae435d : FAILURE in 4m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9a11a5ed644e485b937c51a23dbbc184 : SUCCESS in 5m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a0f82751c2904409a1de74c85a59f8d0 : SUCCESS in 4m 21s