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GeezerVison is showing github.com — TYP: Backport a number of typing updates. by charris · Pull Request #32904 · numpy/numpy

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@charris

@charris charris commented Oct 6, 2026

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Backports of #32780, #32781, #32877, #32879, #32881, #32882, #32883, #32884, and #32886

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jorenham and others added 10 commits October 5, 2026 18:25
@jorenham @charris
TYP: finfo accept dtype[complex128] (numpy#32780)
c7606c3
@jorenham @charris
TYP: random.RandomState.rand[n] accept np.integer (numpy#32781)
9c9ce07
@jorenham @charris
TYP: isscalar type narrowing fix (numpy#32877)
5cabcfa
@jorenham @charris
TYP: ndarray.flat missing setter (numpy#32879)
62eda32
@jorenham @charris
TYP: arrayprint accepts float for threshold and ``linewdt…
c3564d7 
…h`` (numpy#32881)
@jorenham @charris
TYP: NpzFile.f type fix (numpy#32882)
8af54dd
@jorenham @charris
TYP: shares_memory/may_share_memory accept int | None (nu…
eb67ed7 
…mpy#32883)
@jorenham @charris
TYP: busdaycalendar accept str dates for holidays (numpy#…
cf6a20c 
…32884)
@jorenham @charris
TYP: testing.run_threaded: fix callable signature and ``prepare_a…
c2f3a74 
…rgs`` type (numpy#32886)
@charris
MAINT: Fix some ruff warnings.
1ae5064
@charris charris added this to the 2.5.4 release milestone Oct 6, 2026
@charris charris added 08 - Backport Used to tag backport PRs 41 - Static typing labels Oct 6, 2026
jorenham
jorenham reviewed Oct 6, 2026
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Comment thread numpy/_core/multiarray.pyi Resolved

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@charris
TYP: Fix _TimezoneContext redefinition.
03e31cc
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github-actions Bot commented Oct 6, 2026

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Diff from mypy_primer, showing the effect of this PR on type check results on a corpus of open source code:

pandera (https://github.com/pandera-dev/pandera)
+ pandera/backends/xarray/error_formatters.py:35: error: Argument 1 to "__call__" of "_UFunc_Nin1_Nout1" has incompatible type "generic[Any] | int | float | complex | str | bytes | memoryview[int] | Number"; expected "complex | str | bytes | generic[Any]"  [arg-type]
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@charris
charris merged commit 02581f1 into numpy:maintenance/2.5.x Oct 6, 2026
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@charris
charris deleted the backport-typing branch October 6, 2026 16:42
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08 - Backport Used to tag backport PRs 41 - Static typing

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2.5.4 release

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@charris @jorenham
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