Build failed. https://zuul.opendev.org/t/openstack/buildset/dce7ae77e4cd4f86b6bc330af64009bf - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/872aae3a7cad42c18ecaed3c16382d77 : FAILURE in 4m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/93bd7edb923a4c05a164eb579952bc9d : SUCCESS in 4m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0187da647a874e2996cbf201ede5beec : SUCCESS in 3m 20s