code: def test_str_lstrip2(self):
      self.run_test(
          'def str_lstrip2(s): return s.lstrip("TSih")',
          "ThiS iS a TeST",
          str_lstrip2=[str],
      )
  
imports: from pythran.tests import TestEnv
  from pythran.typing import List
  import unittest
label_desc: Use image node_id 24 for calling the TestStr obj's underlying member method code with example usage: obj.test_str_lstrip2() without return types