def train(self, states, actions, rewards, nextStates, terminals):
        raise NotImplementedError()
Retain a reference to a media player object. Use
dataset/ETHPy150Open VinF/deer/deer/base_classes/QNetwork.py/QNetwork.train--crossover with--dataset/ETHPy150Open disqus/playa/playa/lib/vlc.py/MediaPlayer.retain