Create a `ClassificationInterpretation` object from `learner` on `ds_type` with `tta`.

def _learner_interpret(learn:Learner, ds_type:DatasetType=DatasetType.Valid):
    "Create a `ClassificationInterpretation` object from `learner` on `ds_type` with `tta`."
    return ClassificationInterpretation.from_learner(learn, ds_type=ds_type)