Build failed. https://zuul.opendev.org/t/openstack/buildset/1dc8327a1bf84de0a72f89e9f7f672a2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b1f571e27d614822ac82f8e3fa0f5b19 : SUCCESS in 8m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/47de89a045734b70bf6acaadc51358d3 : SUCCESS in 6m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cdda8dd360d74a35b7d17305ad45d347 : FAILURE in 5m 58s