[3.13] gh-122559: Synchronize C and Python implementation of the io module about pickling (GH-122628) #133381
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
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)