code: def test_subclass_recursion_limit(self):
      # make sure that issubclass raises RecursionError before the C stack is
      # blown
      with support.infinite_recursion():
          self.assertRaises(
              RecursionError, blowstack, issubclass, str, str
          )
  
imports: import unittest
  import typing
  from test import support
label_desc: Use image node_id 7 for calling the TestIsInstanceIsSubclass obj's underlying member method code with example usage: obj.test_subclass_recursion_limit() without return types