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gh-158592: Reallocate the list's array when deleting by index by x42005e1f · Pull Request #158602 · python/cpython · GitHub
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gh-158592: Reallocate the list's array when deleting by index #158602

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Merged
corona10 merged 6 commits into from
Oct 7, 2026
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gh-158592: Reallocate the list's array when deleting by index #158602

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gh-158592: Reallocate the list's array when deleting by index
x42005e1f Oct 2, 2026
093ab9b
Add a NEWS entry
x42005e1f Oct 2, 2026
6f68a64
Apply the suggested change
x42005e1f Oct 3, 2026
fa0e380
Apply the suggested change (again)
x42005e1f Oct 5, 2026
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Merge branch 'main' into gh-158592
corona10 Oct 6, 2026
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Merge branch 'main' into gh-158592
corona10 Oct 7, 2026
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Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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@x42005e1f @picnixz
x42005e1f and picnixz authored Oct 3, 2026
commit 6f68a64cd7d055a84f407c643bd2c9f74fdb79bc
5 changes: 2 additions & 3 deletions Misc/NEWS.d/next/Core_and_Builtins/2026-10-02-16-19-35.gh-issue-158592.V6W21J.rst
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@@ -1,3 +1,2 @@
Fix deletion by index from a :class:`list` (``del list[index]``), which did
not reallocate the underlying array and thus did not free memory (a
regression made in 3.13.0a5).
Avoid holding memory much longer than needed after deleting
an item from a list via :keyword:`del`.
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