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Title: [3.13] gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-153627) by serhiy-storchaka · Pull Request #153836 · python/cpython · GitHub

Open Graph Title: [3.13] gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-153627) by serhiy-storchaka · Pull Request #153836 · python/cpython

X Title: [3.13] gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-153627) by serhiy-storchaka · Pull Request #153836 · python/cpython

Description: Normalize bytes format strings to str before using them as the cache key, so that equal str and bytes formats no longer collide and get compared. (cherry picked from commit 190d2ff) Co-authored-by: Serhiy Storchaka storchaka@gmail.com Issue: gh-85943

Open Graph Description: Normalize bytes format strings to str before using them as the cache key, so that equal str and bytes formats no longer collide and get compared. (cherry picked from commit 190d2ff) Co-authored-by:...

X Description: Normalize bytes format strings to str before using them as the cache key, so that equal str and bytes formats no longer collide and get compared. (cherry picked from commit 190d2ff) Co-authored-by:...

Opengraph URL: https://github.com/python/cpython/pull/153836

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[3.13] gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-153627) https://github.com/python/cpython/pull/153836/files#top
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2301eb4 gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-1… serhiy-storchaka Jul 17, 2026 https://github.com/python/cpython/pull/153836/commits/2301eb47c0c14ff24aae99745df3c0315ca931d1
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