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itertools: fix signature of accumulate (#4933)

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Resolves #4888
This commit is contained in:
Shantanu
2021-01-14 12:07:14 -08:00
committed by GitHub
parent 6a53e992fe
commit c893857f46
1 changed files with 3 additions and 3 deletions
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6
stdlib/3/itertools.pyi
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@@ -21,12 +21,12 @@ def repeat(object: _T, times: int) -> Iterator[_T]: ...
if sys.version_info >= (3, 8):
@overload
def accumulate(iterable: Iterable[_T], func: Callable[[_T, _T], _T] = ...) -> Iterator[_T]: ...
def accumulate(iterable: Iterable[_T], func: None = ..., *, initial: Optional[_T] = ...) -> Iterator[_T]: ...
@overload
def accumulate(iterable: Iterable[_T], func: Callable[[_S, _T], _S], initial: Optional[_S]) -> Iterator[_S]: ...
def accumulate(iterable: Iterable[_T], func: Callable[[_S, _T], _S], *, initial: Optional[_S] = ...) -> Iterator[_S]: ...
else:
def accumulate(iterable: Iterable[_T], func: Callable[[_T, _T], _T] = ...) -> Iterator[_T]: ...
def accumulate(iterable: Iterable[_T], func: Optional[Callable[[_T, _T], _T]] = ...) -> Iterator[_T]: ...
class chain(Iterator[_T], Generic[_T]):
def __init__(self, *iterables: Iterable[_T]) -> None: ...