Build failed. https://zuul.opendev.org/t/openstack/buildset/6a26774de3ac49e0a5a2946bfffab43f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0a946776bf0e4452a1833e673484c04e : FAILURE in 5m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/53da5a46ff7940efb8e7a1444f74c328 : SUCCESS in 5m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ee243acaedd54116b10fd49e6108f4ee : SUCCESS in 6m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/80b5783e6fe04540901424963f0b4875 : SUCCESS in 7m 11s