code: def inputs(self):
      return [
          tf.TensorSpec([None, 40, 40, 3], tf.float32, "input"),
          tf.TensorSpec([None], tf.int32, "label"),
      ]
  
file_path: tensorpack/examples/basics/svhn-digit-convnet.py
imports: import argparse
  import os
  from tensorpack import tfv1
  from tensorpack import *
  from tensorpack.dataflow import dataset
  from tensorpack.tfutils.summary import *
label_desc: Use image node_id 1 for calling the Model obj's underlying member method code with example usage: obj.inputs() and returns: list