Daily tests failed on Sat Jan 20 2024 about typing_extensions

[JelleZijlstra]

A couple of failures on 3.13, we probably just need to update some tests.

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FAIL: test_generic_protocols_special_from_protocol (test_typing_extensions.ProtocolTests.test_generic_protocols_special_from_protocol)
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Traceback (most recent call last):
  File "/home/runner/work/typing_extensions/typing_extensions/src/test_typing_extensions.py", line 3061, in test_generic_protocols_special_from_protocol
    self.assertEqual(typing_extensions._get_protocol_attrs(PR), {'x'})
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Items in the first set but not the second:
'__non_callable_proto_members__'

======================================================================
FAIL: test_protocol_issubclass_error_message (test_typing_extensions.ProtocolTests.test_protocol_issubclass_error_message)
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TypeError: Instance and class checks can only be used with @runtime_checkable protocols

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/runner/work/typing_extensions/typing_extensions/src/test_typing_extensions.py", line [34](https://github.com/python/typing_extensions/actions/runs/7591493329/job/20679618345#step:4:35)71, in test_protocol_issubclass_error_message
    with self.assertRaisesRegex(TypeError, re.escape(expected_error_message)):
        issubclass(int, Vec2D)
AssertionError: "Protocols\ with\ non\-method\ members\ don't\ support\ issubclass\(\)\.\ Non\-method\ members:\ 'x',\ 'y'\." does not match "Instance and class checks can only be used with @runtime_checkable protocols"

[AlexWaygood]

Oh, we need to backport python/cpython@ed6ea3e. I'll try and get to that today.