Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/97f91df66e4b4bb69a83f346a36d8154 : SUCCESS in 12m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3eb6912332184d4a9ce78ea646dcab15 : FAILURE in 3m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b0ceee036dac4340a543cb50e3ac4cde : SUCCESS in 8m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/318e34753aa249689647c4131574be70 : SUCCESS in 5m 56s