Build failed. https://zuul.opendev.org/t/openstack/buildset/8a7a06a4255e4650914dcca04f8c5399 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a15f23d159dd4cc88ce16faf424a8654 : FAILURE in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5c492d4382e04b1cb761ed74d91fef10 : SUCCESS in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4d55bd4153ae46babe36920636a868e7 : SUCCESS in 3m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/aceedd5435fc452f8ae91ede68f3398b : SUCCESS in 3m 26s