Build failed. https://zuul.opendev.org/t/openstack/buildset/22cb37cc2deb444d8ec12cef8dcaf133 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/759c8e9446744507a1cb6faa422470e8 : SUCCESS in 3m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1389514cb0e64fdd84643b94791b32c2 : SUCCESS in 4m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4827de33ced04aa19b9da6b204920719 : SUCCESS in 5m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0440d68c8ffd4e0b87c1d11800c36537 : FAILURE in 4m 03s