code: def inputs(self):
      return [
          tf.TensorSpec([None, 40, 40, 3], tf.float32, "input"),
          tf.TensorSpec([None], tf.int32, "label"),
      ]
  
file_path: tensorpack/examples/DoReFa-Net/svhn-digit-dorefa.py
imports: import argparse
  import os
  import tensorflow
  from tensorpack import *
  from tensorpack.dataflow import dataset
  from tensorpack.tfutils.summary import add_moving_summary, add_param_summary
  from tensorpack.tfutils.varreplace import remap_variables
  from dorefa import get_dorefa
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