TYP: Fix timedelta64.__divmod__ and timedelta64.__mod__ overloads#28259
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charris merged 2 commits intonumpy:mainfrom Feb 1, 2025
Merged
TYP: Fix timedelta64.__divmod__ and timedelta64.__mod__ overloads#28259charris merged 2 commits intonumpy:mainfrom
timedelta64.__divmod__ and timedelta64.__mod__ overloads#28259charris merged 2 commits intonumpy:mainfrom
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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: pandas (https://github.com/pandas-dev/pandas)
+ pandas/core/arrays/timedeltas.py:328: note: def [_TD64ItemT_co: timedelta | int | None] __init__(self, Literal[0], Literal['Y', 'M', b'Y', b'M', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['Y', 'M', b'Y', b'M', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex] = ..., /) -> timedelta64[Literal[0]]
+ pandas/tests/dtypes/test_missing.py:773: note: def [_TD64ItemT_co: timedelta | int | None] __init__(self, Literal[0], Literal['Y', 'M', b'Y', b'M', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['Y', 'M', b'Y', b'M', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex] = ..., /) -> timedelta64[Literal[0]]
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Thanks Joren. |
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Closes #28256, and fixes incorrect inference of
timedelta64.__[div]mod__if the right-hand-side is zero-ish.