code: def test_dumps_loads_argument_with_custom_class(self):
      class A(object):
          def __init__(self):
              self.a = 3
  
      a = A()
      serialize_bytes = dumps_argument(a)
      deserialize_result = loads_argument(serialize_bytes)
  
      assert deserialize_result[0][0].a == 3
  
file_path: PARL/parl/remote/tests/communication_test.py
imports: import numpy
  import time
  import threading
  import unittest
  from parl.remote.communication import dumps_return, loads_return, dumps_argument, loads_argument
label_desc: Use image node_id 4 for calling the TestCommunication obj's underlying member method code with example usage: obj.test_dumps_loads_argument_with_custom_class() without return types