Build failed. https://zuul.opendev.org/t/openstack/buildset/2ec409cf609444409b2a87174cc951b9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4861ba08dbba4cd0af9fc833f0293f21 : SUCCESS in 4m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1262f0ae958a471abfb1c3b320e31fc7 : FAILURE in 3m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/575b18ce102742ac86ec6666915e98ad : SUCCESS in 3m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/101c718c86dc485e90b68066dd6f7379 : SUCCESS in 5m 25s