Build failed. https://zuul.opendev.org/t/openstack/buildset/504453ae253845198f34cc4355ebc6bc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7d73ba7a899a474e9c71fe751a0e5b05 : FAILURE in 7m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9d637fe1d64c48978d32d616efc770fe : SUCCESS in 4m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/96572c7668784fdaa80ea78eb599e542 : SUCCESS in 4m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/81a6192668b04e27a9bd60c2ce16fa02 : SUCCESS in 4m 14s