code: def configure(self, in_obj):
      self.out_shape = (self.topk, 5)
  
      # we expect a list of layers from the SSD model
      (leafs, prior_boxes) = in_obj
  
      # store total number of boxes
      self.num_boxes = np.sum(
          [prior_box.num_boxes for prior_box in prior_boxes]
      )
  
imports: from neon.layers.layer import Layer, ParameterLayer
  import numpy
  from neon.transforms import Softmax
  from neon.initializers.initializer import Constant
  import math
  from collections import OrderedDict
label_desc: Use image node_id 2 for calling the DetectionOutput obj's underlying member method code with example usage: obj.configure(in_obj) without return types