code: def test_dump_load_mrg(self):
      rng = MRG_RandomStreams()
  
      with open("test", "wb") as f:
          dump(rng, f)
  
      with open("test", "rb") as f:
          rng = load(f)
  
      assert type(rng) == MRG_RandomStreams
  
file_path: Theano/theano/misc/tests/test_pkl_utils.py
imports: from __future__ import absolute_import, print_function, division
  import os
  import shutil
  import unittest
  from tempfile import mkdtemp
  import numpy
  import theano
  from theano.sandbox.rng_mrg import MRG_RandomStreams
  from theano.misc.pkl_utils import dump, load, StripPickler
label_desc: Use image node_id 3 for calling the T_dump_load obj's underlying member method code with example usage: obj.test_dump_load_mrg() without return types