Build failed. https://zuul.opendev.org/t/openstack/buildset/a6e366c68b9149c99cd26411b37a9b14 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/16a3d383805f4f90b37ccb7a34910111 : FAILURE in 4m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/31be9bc03fe741e288e25675dfcc7a12 : SUCCESS in 3m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c28ea36918784fb89340d35ea6b0fc5f : SUCCESS in 3m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/eecfa565f03840a98f29cee5cafd59b7 : SUCCESS in 4m 03s