Build failed. https://zuul.opendev.org/t/openstack/buildset/8f9c043cf91c479c8fce4b904354b7b6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/69de845a38f24405912a1c099094a22f : FAILURE in 2m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0af66d42a9ed4143847ddf84955fb30e : SUCCESS in 3m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b600c529b09340eeb4dd4d6879faac87 : SUCCESS in 3m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/435f709223a5451bb75455b083752aba : SUCCESS in 4m 23s