Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/53d2b4554c704002bef1be9754509e79 : SUCCESS in 10m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/601aadd12899451c87d27d5ca4a06632 : FAILURE in 6m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b5ca9744e17347508fc3728f2895c91e : SUCCESS in 8m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b127c9b4992a4c2da14912f607a6cf28 : SUCCESS in 8m 37s