Build failed. https://zuul.opendev.org/t/openstack/buildset/fef131f0ef5643d1ab64ff8f932a9361 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3beedab4272041b19e8efb2a3c53983d : FAILURE in 7m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9ac773d5d3c045c3a54ff0c34811d5d9 : SUCCESS in 9m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0c8c1d57dbbe4d0aa97411011e3559bb : SUCCESS in 7m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/00344d30e9364561b2f1bb0b80c6b7cd : SUCCESS in 7m 33s