List of metrics to track for this learning process

def metrics(self) -> list:
        """ List of metrics to track for this learning process """
        my_metrics = [
            FramesMetric("frames"),
            FPSMetric("fps"),
            EpisodeRewardMetric('PMM:episode_rewards'),
            EpisodeRewardMetricQuantile('P09:episode_rewards', quantile=0.9),
            EpisodeRewardMetricQuantile('P01:episode_rewards', quantile=0.1),
            EpisodeLengthMetric("episode_length")
        ]

        return my_metrics + self.algo.metrics() + self.env_roller.metrics()