code: def test_isinstance_dont_mask_non_attribute_error(self):
      class C(object):
          def getclass(self):
              raise RuntimeError
  
          __class__ = property(getclass)
  
      c = C()
      self.assertRaises(RuntimeError, isinstance, c, bool)
  
      # test another code path
      class D:
          pass
  
      self.assertRaises(RuntimeError, isinstance, c, D)
  
imports: import unittest
  import typing
  from test import support
label_desc: Use image node_id 5 for calling the TestIsInstanceExceptions obj's underlying member method code with example usage: obj.test_isinstance_dont_mask_non_attribute_error() without return types