Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2cff40c73ae14708a667a27508765c87 : SUCCESS in 5m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a1a528ae858e4987b982e1549e44d789 : FAILURE in 5m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fc418f840b8f4825bf4f0a8a46213834 : SUCCESS in 4m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cef21222642146d7a37af4a15e5aecb1 : SUCCESS in 4m 16s