code: def test(self):
      e1 = curand.CURANDError(100)
      e2 = pickle.loads(pickle.dumps(e1))
      assert e1.args == e2.args
      assert str(e1) == str(e2)
  
file_path: cupy/tests/cupy_tests/cuda_tests/test_curand.py
imports: import pickle
  import unittest
  import numpy
  import cupy
  from cupy.cuda import curand
label_desc: Use image node_id 1 for calling the TestExceptionPicklable obj's underlying member method code with example usage: obj.test() without return types