self.network = keras.models.Sequential()

            self.network.add(Conv2D(16, (3, 3), strides=2, input_shape=state_shape))
            self.network.add(LeakyReLU())
            self.network.add(Conv2D(32, (3, 3), strides=2))
            self.network.add(LeakyReLU())
            self.network.add(Conv2D(64, (3, 3), strides=2))
            self.network.add(LeakyReLU())
            self.network.add(Flatten())
            self.network.add(Dense(256))
            self.network.add(LeakyReLU())
            self.network.add(Dense(n_actions, activation='linear'))