[3.13] gh-122559: Synchronize C and Python implementation of the io module about pickling (GH-122628)#133381
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serhiy-storchaka merged 1 commit intopython:3.13from May 4, 2025
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…e io module about pickling (pythonGH-122628) In the C implementation, remove __reduce__ and __reduce_ex__ methods that always raise TypeError and restore __getstate__ methods that always raise TypeErrori. This restores fine details of the pre-3.12 behavior and unifies both implementations. (cherry picked from commit e9253eb) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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In the C implementation, remove reduce and reduce_ex methods that always raise TypeError and restore getstate methods that always raise TypeErrori.
This restores fine details of the pre-3.12 behavior and unifies both implementations.
(cherry picked from commit e9253eb)