Build failed. https://zuul.opendev.org/t/openstack/buildset/03d0cc9ad456409e9c4f4f50b851e77d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/502167d1bce347b2b2ec4707de7a6e2b : SUCCESS in 3m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a9eb2420f7004bb0b0df6dd4613ea7bf : FAILURE in 3m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/33a46839e03940889be1727daef6fd67 : FAILURE in 4m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/918b15a2182d4aff8ab2d1e72cbbf5b3 : FAILURE in 3m 15s