Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e54b7d287e5e446791d848e33ed0aa0d : SUCCESS in 5m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4b6bbdd8cb6e4d8eb1333bc42ef2d0e0 : SUCCESS in 5m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d9ae264cd39049bfad77d76df04e84c2 : SUCCESS in 6m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cee28b1d0a33435494aacb6486e93f47 : FAILURE in 7m 12s