code: def test_model_weights_copy(self):
      print("-" * 20, "test_model_weights_copy", "-" * 20)
      model_basic = basic_static_model()
      model_weights = model_basic.trainable_weights
      ori_len = len(model_weights)
      model_weights.append(np.arange(5))
      new_len = len(model_weights)
      self.assertEqual(new_len - 1, ori_len)
  
imports: import os
  import unittest
  import numpy
  import tensorflow
  import tensorlayer
  from tensorlayer.layers import *
  from tensorlayer.models import *
  from tests.utils import CustomTestCase
label_desc: Use image node_id 10 for calling the Model_Core_Test obj's underlying member method code with example usage: obj.test_model_weights_copy() without return types