def _listeners_from_job(self, job, engine):
        # TODO(dkrause): Create a standard way to pass listeners or
        #                listener factories over the jobboard
        return []
Yields (path, value) tuples for metadata elements.
dataset/ETHPy150Open openstack/taskflow/taskflow/conductors/base.py/Conductor._listeners_from_job--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/api/metadata/base.py/InstanceMetadata.metadata_for_config_drive