Build failed. https://zuul.opendev.org/t/openstack/buildset/82bf7a4763734bdda17dea4b0dc67e94 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/69399beb5c444119b5073354e9b0e35c : FAILURE in 3m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e151e7ad3f3e4ec5ac05855214bb3e38 : SUCCESS in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3b3bba27e1ce47f0b680d09737faac99 : SUCCESS in 3m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7e5bf36f17464b168e789ea57bc5675f : SUCCESS in 3m 19s