code: def testRestoreAgentFromBundleRestoresParameters(self):
      agent1 = create_agent(action_shape=(4, 3), seed=123)
      agent2 = create_agent(action_shape=(4, 3), seed=456)
  
      agent1._replay.save = mock.create_autospec(
          agent1._replay.save, spec_set=True
      )
      agent2._replay.load = mock.create_autospec(
          agent2._replay.load, spec_set=True
      )
  
      # Make sure the parameters are initialized differently
      self.assertAgentParametersNotEqual(agent1, agent2)
  
      # No data is written to file, but the directory must exist
      tempdir = self.create_tempdir()
      bundle = agent1.bundle_and_checkpoint(tempdir, 0)
      self.assertIsNotNone(bundle)  # Ensures a bundle was returned
      agent2.unbundle(tempdir, 0, bundle)
  
      self.assertAgentParametersEqual(agent1, agent2)
  
imports: import copy
  import functools
  import operator
  import random
  from typing import Any, Tuple, Union
  from unittest import mock
  from absl.testing import absltest
  from absl.testing import parameterized
  from dopamine.jax.agents.sac import sac_agent
  import flax
  import gin
  import jax
  import numpy
label_desc: Use image node_id 8 for calling the SacAgentTest obj's underlying member method code with example usage: obj.testRestoreAgentFromBundleRestoresParameters() without return types