def get_learning_batch_manager(self):
raise errors.Unimplemented()<EOL>
Gets a ``LearningBatchManager``.

        return: (osid.learning.batch.LearningBatchManager) - a
                ``LearningBatchManager``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_learning_batch() is false``
        *compliance: optional -- This method must be implemented if
        ``supports_learning_batch()`` is true.*