Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d852dd3732e64080b86566a77f5af30d : SUCCESS in 6m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7d8fe841c4924adea3607fc0aeab7092 : FAILURE in 5m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8ada4ed277274f26b486a2a4f715ec0c : SUCCESS in 4m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c54e5b76cc2e4ab6b7993aca5b251f42 : SUCCESS in 5m 54s