code: def test_set_weights_with_wrong_params_num(self):
      pred_program = fluid.Program()
      with fluid.program_guard(pred_program):
          obs = layers.data(name="obs", shape=[4], dtype="float32")
          model_output = self.model.predict(obs)
  
      self.executor.run(fluid.default_startup_program())
  
      params = self.model.get_weights()
  
      with self.assertRaises(AssertionError):
          self.model.set_weights(params[1:])
  
imports: import numpy
  import paddle.fluid
  import parl
  import unittest
  from copy import deepcopy
  from paddle.fluid import ParamAttr
  from parl import layers
  from parl.utils import get_gpu_count
  from parl.core.fluid.plutils import fetch_value
label_desc: Use image node_id 18 for calling the ModelBaseTest obj's underlying member method code with example usage: obj.test_set_weights_with_wrong_params_num() without return types