Build failed. https://zuul.opendev.org/t/openstack/buildset/84f531deb1a840c199d68efc012b90d3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/df7002d9b3fc417c99108339aaab7913 : SUCCESS in 4m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dbc20d9ea42b4581a96f9e42b6d01c11 : SUCCESS in 5m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/80e8ddc4efb64cf99411a67fbaf59c9b : SUCCESS in 5m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6c26f3d68dfc4451808d0874a2fb6275 : FAILURE in 4m 25s