code: def forward(self, x):
      weight = self.spectral_norm(self.weight_orig)
      self.layer.weight = weight
      out = self.layer(x)
      return out
  
imports: import base64
  import os
  import sys
  import cv2
  import numpy
  import paddle
  import paddle.nn
  from PIL import Image
label_desc: Use image node_id 2 for calling the Spectralnorm obj's underlying member method code with example usage: obj.forward(x) and returns: out