code: def configure(self, in_obj):
      self.prev_layer = in_obj
      self.in_shape = in_obj.out_shape
      self.out_shape = in_obj.out_shape
  
      assert (
          len(self.in_shape) == 3
      ), "Normalize layer must have (C, H, W) input"
      self.channels = self.in_shape[0]
      self.weight_shape = (self.channels, 1)
      return self
  
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 3 for calling the Normalize obj's underlying member method code with example usage: obj.configure(in_obj) and returns: self