Build failed. https://zuul.opendev.org/t/openstack/buildset/f563c5b75a9a4b66bbb1e774cdf05a7b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fece3714bd724881ac903809c93a13cf : SUCCESS in 10m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/75267c53a5524f0eabae611ff548642c : SUCCESS in 8m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/87b5b555e65341ffb3bd0c534c1a8935 : FAILURE in 7m 17s