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[3.13] gh-143602: Fix duplicate buffer exports in io.BytesIO.write (#143629) (#143872)#143878
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…ite (python#143629) (python#143872)pythongh-143602: Fix duplicate buffer exports in io.BytesIO.write (python#143629)Fix an inconsistency issue in io.BytesIO.write() where the buffer was exportedtwice, which could lead to unexpected data overwrites and position drift whenthe buffer changes between exports.(cherry picked from commitc461aa9)Co-authored-by: zhong <60600792+superboy-zjc@users.noreply.github.com>(cherry picked from commit1241432)
201e819 intopython:3.13 42 checks passed
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gh-143602: Fix duplicate buffer exports in io.BytesIO.write (#143629)
Fix an inconsistency issue in io.BytesIO.write() where the buffer was exported twice, which could lead to unexpected data overwrites and position drift when the buffer changes between exports.
(cherry picked from commitc461aa9)
(cherry picked from commit1241432)