code: def test_add(self):
      def func(a, b):
          c = a + b
          c += a
          return c
  
      a = torch.rand(1, requires_grad=True)
      b = torch.rand(1, requires_grad=True)
      self.checkScript(func, (a, b), optimize=True)
  
imports: import os
  import sys
  import tempfile
  import random
  from textwrap import dedent
  import torch
  from torch.testing._internal.jit_utils import JitTestCase, execWrapper
label_desc: Use image node_id 1 for calling the TestPythonBuiltinOP obj's underlying member method code with example usage: obj.test_add() and returns: c