Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f754090b0e504087b85870c94dcd759c : SUCCESS in 7m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7243cae8ff5743839279fb761bb4a29b : FAILURE in 7m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0cd2c48aa985488fb962d67f461b8823 : SUCCESS in 7m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ac6358a1cc48429ea378d5c94d642509 : SUCCESS in 8m 40s