Build failed. https://zuul.opendev.org/t/openstack/buildset/11b72a80c20147e78c0cce1fbd398c01 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f5ae99f87ce4471d942c8c85dfea267e : SUCCESS in 3m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7a8e707dc9e645869d57541f692b861b : SUCCESS in 3m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4b4b12ee53484612beaaff17520bb903 : SUCCESS in 3m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7297c1348a53435290847927e2c94544 : FAILURE in 3m 10s