    def _positive_change(self, orig_conf: np.ndarray, conf: np.ndarray) -> float:
        """
        Returns the change in the confidence scores.
        """
        return (
            orig_conf[self._negative]
            - conf[self._negative]
            + conf[self._positive]
            - orig_conf[self._positive]
        )
Returns the change in the confidence scores.
allennlp/confidence_checks/task_checklists/sentiment_analysis_suite.py