def num_nodes(self):
        return (np.sum(np.prod(layer.output_shape) for layer in self.layers_) + 
                np.prod(self.input_shape))
Ensure the item (dict) returned from the function contains the
dataset/ETHPy150Open bbabenko/simple_convnet/simple_convnet/convnet.py/NNet.num_nodes--crossover with--dataset/ETHPy150Open ntoll/p4p2p/test/dht/test_crypto.py/TestGetSignedItem.test_expected_metadata