Saves the model
        :param steps: The number of steps the model was trained for
        :return:

def save_model(self, steps):
        """
        Saves the model
        :param steps: The number of steps the model was trained for
        :return:
        """
        with self.graph.as_default():
            last_checkpoint = self.model_path + '/model-' + str(steps) + '.cptk'
            self.saver.save(self.sess, last_checkpoint)
            tf.train.write_graph(self.graph, self.model_path,
                                 'raw_graph_def.pb', as_text=False)