Build failed. https://zuul.opendev.org/t/openstack/buildset/55ec4c55ce6940f3b26877e65a6ec993 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1d0ec9be07a043b2b9dd33480b9c59c2 : SUCCESS in 3m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6a8c42f6aa2147d8a26be45e0208846e : FAILURE in 2m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/91ed92de2fe04642bce87f27f94c6150 : SUCCESS in 3m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b1e78c2533254ef2b6b62329264d8aa2 : FAILURE in 7m 37s