Failed tests:

======================================================================
FAIL: test_isinstance_with_or_union (test.test_isinstance.TestIsInstanceIsSubclass)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/test/test_isinstance.py", line 223, in test_isinstance_with_or_union
    with self.assertRaises(TypeError):
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: TypeError not raised

======================================================================
FAIL: test_isinstance (test.test_genericalias.BaseTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/test/test_genericalias.py", line 249, in test_isinstance
    with self.assertRaises(TypeError):
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: TypeError not raised

======================================================================
FAIL: test_issubclass (test.test_genericalias.BaseTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/test/test_genericalias.py", line 255, in test_issubclass
    with self.assertRaises(TypeError):
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: TypeError not raised

======================================================================
FAIL: test_callable_instance_type_error (test.test_typing.CollectionsCallableTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/test/test_typing.py", line 490, in test_callable_instance_type_error
    with self.assertRaises(TypeError):
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: TypeError not raised

======================================================================
FAIL: test_self_subclass (test.test_typing.CollectionsCallableTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/test/test_typing.py", line 446, in test_self_subclass
    with self.assertRaises(TypeError):
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: TypeError not raised

======================================================================
FAIL: test_special_method_lookup (test.test_descr.ClassPropertiesAndMethods)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/test/test_descr.py", line 2097, in test_special_method_lookup
    runner(X())
    ^^^^^^^^^^^
  File "/home/serhiy/py/cpython/Lib/test/test_descr.py", line 2032, in do_isinstance
    return isinstance(int, obj)
           ^^^^^^^^^^^^^^^^^^^^
  File "/home/serhiy/py/cpython/Lib/test/test_descr.py", line 2077, in __getattribute__
    test.fail("__getattribute__ called with {0}".format(attr))
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: __getattribute__ called with __instancecheck__

----------------------------------------------------------------------