Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/70c33d5c3d7d450b80ebfc31203aebaf : SUCCESS in 4m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3a29064b40f44e8c809220ba043a3ebd : SUCCESS in 7m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/44e47afb5fcf4725ab88019573149905 : SUCCESS in 7m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bb30af243c7c402bba9a3025b925c090 : FAILURE in 4m 55s