code: def test_get_weights(self):
      weights = self.agent1.get_weights()
      expected_dict = {"model1": [1], "model2": {"k2": 2}}
      self.assertDictEqual(weights, expected_dict)
  
file_path: PARL/parl/core/tests/agent_base_test.py
imports: import unittest
  from parl.core.model_base import ModelBase
  from parl.core.algorithm_base import AlgorithmBase
  from parl.core.agent_base import AgentBase
label_desc: Use image node_id 2 for calling the AgentBaseTest obj's underlying member method code with example usage: obj.test_get_weights() without return types