Build failed. https://zuul.opendev.org/t/openstack/buildset/9d89fb4539794ea6b8394a357dc3ea77 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9e5c7c94880a47b799aa5c5a4e2a8e9b : SUCCESS in 4m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dfa200cd348948dea84c3abae6bb8b58 : FAILURE in 4m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2d83ff8fee4048a3a9d2b67c3fc42064 : FAILURE in 2m 43s