Build failed. https://zuul.opendev.org/t/openstack/buildset/caaf15ed53d5499191b79d485f90798a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/69494a5331ec45bab145ba965994837b : FAILURE in 3m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4e9153dc12a040989cea1ad952a79e95 : SUCCESS in 4m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cde528931b764ee2b5d68f58a5b21191 : FAILURE in 3m 38s