Build failed. https://zuul.opendev.org/t/openstack/buildset/babdace0879245d3823292e8f801c301 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/83b2d8b962314d76a17dbbc784151d91 : SUCCESS in 3m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/77927d3081734450b0a6ec57702c209a : FAILURE in 2m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/17d1ded95ed340dd9986e593e95b118d : SUCCESS in 3m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f68f6abca222429d90a4c21239d8b6a6 : FAILURE in 2m 54s