code: def test_infj_nanj_pickle(self):
      class ComplexModule(torch.jit.ScriptModule):
          def __init__(self):
              super().__init__()
              self.a = 3 + 5j
  
          @torch.jit.script_method
          def forward(self, infj: int, nanj: int):
              if infj == 2:
                  return infj + cmath.infj
              else:
                  return nanj + cmath.nanj
  
      loaded = self.getExportImportCopy(ComplexModule())
      self.assertEqual(loaded(2, 3), 2 + cmath.infj)
      self.assertEqual(loaded(3, 4), 4 + cmath.nanj)
  
imports: import torch
  import os
  import sys
  from torch.testing._internal.jit_utils import JitTestCase, execWrapper
  from torch.testing._internal.common_utils import IS_MACOS
  from typing import List, Dict
  from itertools import product
  from textwrap import dedent
  import cmath
label_desc: Use image node_id 7 for calling the TestComplex obj's underlying member method code with example usage: obj.test_infj_nanj_pickle() and returns: unknown, unknown