code: def test_set_of_int32(self):
      self.run_test(
          "def set_of_int32(l): return l",
          {np.int32(1), np.int32(-4)},
          set_of_int32=[Set[np.int32]],
      )
  
imports: import numpy
  import unittest
  from pythran.typing import *
  from pythran.tests import TestEnv
label_desc: Use image node_id 2 for calling the TestConversion obj's underlying member method code with example usage: obj.test_set_of_int32() without return types