def __init__(self):
        """
        Creates an instance of TrainedExperienceAccuracy metric by first
        constructing AccuracyPluginMetric
        """
        super(TrainedExperienceAccuracy, self).__init__(
            reset_at="stream", emit_at="stream", mode="eval"
        )
        self._current_experience = 0

        Creates an instance of TrainedExperienceAccuracy metric by first
        constructing AccuracyPluginMetric
        
avalanche/evaluation/metrics/accuracy.py