code: def test_str_find1(self):
      self.run_test(
          "def str_find1(s): return s.find('pap')",
          "popop",
          str_find1=[str],
      )
  
imports: from pythran.tests import TestEnv
  from pythran.typing import List
  import unittest
label_desc: Use image node_id 36 for calling the TestStr obj's underlying member method code with example usage: obj.test_str_find1() without return types