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gh-154523: Fix data-race in `TextIOWrapper.detach()` (#154565)
gh-150285: Fix too long docstrings in the io module (GH-150287)
gh-141376: Fix exported symbols (GH-141377)
gh-149816: add missing critical section on self in buffered_iternext (#150295)
gh-153290: Fix data race in BytesIO.__setstate__ installing __dict__ (#153376)
gh-153296: Fix thread-safety data race in io.StringIO iterator (#153368)