Build failed. https://zuul.opendev.org/t/openstack/buildset/25edb78526fc46269b7cf19b12ac505f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/35fc1199203d47029d6ae4a6c5910ba8 : SUCCESS in 4m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/513f38c258c046998841ebf4d3402e81 : SUCCESS in 5m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5e5e9b1f392846d19f0c167787733955 : SUCCESS in 3m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d90149a11fb84f37b4ef1fcc495931ad : FAILURE in 3m 10s