code: def test_cupy_sparse_patch():
      sp = cupyx.scipy.sparse.random(50, 2, format="csr")
  
      pickled = pickle.dumps(sp)
  
      sp_deser = pickle.loads(pickled)
  
      # Using internal API pieces only until
      # https://github.com/cupy/cupy/issues/3061
      # is fixed.
      assert sp_deser._descr.descriptor != sp._descr.descriptor
  
imports: from distributed.protocol.serialize import serialize
  from cuml.naive_bayes.naive_bayes import MultinomialNB
  import pickle
  from cuml.internals.safe_imports import gpu_only_import
label_desc: Use image node_id 2 for calling a global function with example usage: test_cupy_sparse_patch() without return types