Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/40c977e2d97345349b69762f73a07e0f : SUCCESS in 6m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/31a682ae9d7840acaf0e69da222e4c3c : SUCCESS in 5m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/20c3282f783947cf85fdd7659a504302 : FAILURE in 26m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dbbac001f7034aef9333aad7cb4d38f4 : SUCCESS in 7m 16s