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TYP: allow None in operand sequence of nditer #28044

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Merged
merged 2 commits into from
Dec 20, 2024
Merged

TYP: allow None in operand sequence of nditer #28044

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554739e
TYP: allow `None` in operand sequence of nditer
simonaltrogge Dec 19, 2024
723605b
TST: Add test for allowing `None` in operand sequence passed to `nditer`
simonaltrogge Dec 20, 2024
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2 changes: 1 addition & 1 deletion numpy/__init__.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -4746,7 +4746,7 @@ class iinfo(Generic[_IntegerT_co]):
class nditer:
def __new__(
cls,
op: ArrayLike | Sequence[ArrayLike],
op: ArrayLike | Sequence[ArrayLike | None],
flags: None | Sequence[_NDIterFlagsKind] = ...,
op_flags: None | Sequence[Sequence[_NDIterFlagsOp]] = ...,
op_dtypes: DTypeLike | Sequence[DTypeLike] = ...,
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4 changes: 4 additions & 0 deletions numpy/typing/tests/data/pass/nditer.py
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@@ -0,0 +1,4 @@
import numpy as np

arr = np.array([1])
np.nditer([arr, None])
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