def METHOD_NAME(cls, h5py_group):
    classifier = pickle.loads(h5py_group["pickled_classifier"][()].tostring())
    if not hasattr(classifier, "VERSION") or classifier.VERSION != cls.VERSION:
        raise cls.VersionIncompatibilityError(
            "Version mismatch. Deserialized classifier version does not match this code base."
        )
    return classifier