Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2b3f6db221c74ba7b53178c19b638a3f : SUCCESS in 7m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d7231d6c6eb64d9b8e237aa6868a1b8f : FAILURE in 10m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5af72247ccb0482b926f60bff5825b7c : FAILURE in 10m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/75a648823595485eaf7d14436bed3d2b : SUCCESS in 7m 32s