Build failed. https://zuul.opendev.org/t/openstack/buildset/01824ef799ee479980f5831d4209dec4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f100a992094a4573a86ae348a404ae66 : SUCCESS in 5m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fe59a936ffb447f4b65c24946add386e : FAILURE in 4m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a48c89d1324e494487a5a96641d8f121 : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b97ae8007d6d4fc4a47d60274ddf14f9 : SUCCESS in 3m 48s