docstr: Construct the network. 
docstr_tok: ["Construct","the","network","."]
code: def setup(self):
      """Construct the network."""
      raise NotImplementedError("Must be implemented by the subclass.")
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import tensorflow
  import cv2
  import os
  import inspect
label_desc: Use image node_id 2 for calling the Network obj's underlying member method code with example usage: obj.setup() without return types