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Make Mapping.get(default) less constrained #14347

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211b595
Make Mapping.get(default) less constrained
ndmitchell Jun 27, 2025
3138b3f
Remove unused stub ignore
ndmitchell Jun 27, 2025
2335a54
Update py39.txt
ndmitchell Jun 27, 2025
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1 change: 0 additions & 1 deletion stdlib/@tests/stubtest_allowlists/common.txt
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Expand Up @@ -184,7 +184,6 @@ _collections_abc.AsyncGenerator.aclose
_collections_abc.AsyncIterator.__anext__

_collections_abc.Callable # Typing-related weirdness
_collections_abc.Mapping.get # Adding None to the Union messed up mypy
_collections_abc.Sequence.index # Supporting None in end is not mandatory

_ctypes.CFuncPtr # stubtest erroneously thinks it can't be subclassed
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1 change: 0 additions & 1 deletion stdlib/@tests/stubtest_allowlists/py39.txt
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Expand Up @@ -20,7 +20,6 @@ collections.AsyncGenerator.asend # async at runtime, deliberately not in the st
collections.AsyncIterator.__anext__ # async at runtime, deliberately not in the stub, see #7491
collections.ByteString # see comments in py3_common.txt
collections.Callable
collections.Mapping.get # Adding None to the Union messed up mypy
collections.Sequence.index # Supporting None in end is not mandatory

# ===========
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2 changes: 1 addition & 1 deletion stdlib/typing.pyi
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Expand Up @@ -746,7 +746,7 @@ class Mapping(Collection[_KT], Generic[_KT, _VT_co]):
@overload
def get(self, key: _KT, /) -> _VT_co | None: ...
@overload
def get(self, key: _KT, /, default: _VT_co | _T) -> _VT_co | _T: ...
def get(self, key: _KT, /, default: _T) -> _VT_co | _T: ...
def items(self) -> ItemsView[_KT, _VT_co]: ...
def keys(self) -> KeysView[_KT]: ...
def values(self) -> ValuesView[_VT_co]: ...
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