code: def inputs(self):
      return [
          tf.TensorSpec((None, 28, 28), tf.float32, "input"),
          tf.TensorSpec((None, 28, 28), tf.float32, "input_y"),
          tf.TensorSpec((None,), tf.int32, "label"),
      ]
  
imports: import argparse
  import numpy
  import tensorflow
  import tensorflow.contrib.slim
  from tensorpack import *
  from tensorpack.tfutils.summary import add_moving_summary
  from tensorpack.utils.gpu import change_gpu
  from embedding_data import MnistPairs, MnistTriplets, get_test_data
label_desc: Use image node_id 2 for calling the SiameseModel obj's underlying member method code with example usage: obj.inputs() and returns: list