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Do not use Any in NamedTuple() constructor #6489

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Do not use Any in NamedTuple() constructor #6489

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Do not use `Any` in `NamedTuple()` constructor
sobolevn Dec 4, 2021
9eb47db
Update typing.pyi
sobolevn Dec 4, 2021
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7 changes: 5 additions & 2 deletions stdlib/typing.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -680,10 +680,13 @@ class NamedTuple(Tuple[Any, ...]):
_field_defaults: dict[str, Any]
_fields: Tuple[str, ...]
_source: str
# NOTE: The overloads for __init__ are not strictly accurate
# (type for `fields` and `**kwargs` should be more precise than `object`)
# but typing `NamedTuple` like this makes it easier for mypy to special-case. See #6489
@overload
def __init__(self, typename: str, fields: Iterable[tuple[str, Any]] = ...) -> None: ...
def __init__(self, typename: str, fields: Iterable[tuple[str, object]] = ...) -> None: ...
@overload
def __init__(self, typename: str, fields: None = ..., **kwargs: Any) -> None: ...
def __init__(self, typename: str, fields: None = ..., **kwargs: object) -> None: ...
@classmethod
def _make(cls: Type[_T], iterable: Iterable[Any]) -> _T: ...
if sys.version_info >= (3, 8):
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