add to namespace, type return as scalar

Author: MarcoGorelli

spec/API_specification/dataframe_api/__init__.py

@@ -243,7 +243,7 @@ def is_dtype(dtype: DType, kind: str | tuple[str, ...]) -> bool:
     bool
     """
 
-def date(year: int, month: int, day: int) -> Any:
+def date(year: int, month: int, day: int) -> Scalar:
     """
     Create date object which can be used for filtering.
 

spec/API_specification/dataframe_api/typing.py

@@ -148,6 +148,9 @@ def is_null(value: object, /) -> bool:
     def is_dtype(dtype: Any, kind: str | tuple[str, ...]) -> bool:
         ...
 
+    @staticmethod
+    def date(year: int, month: int, day: int) -> Scalar:
+        ...
 
 class SupportsDataFrameAPI(Protocol):
     def __dataframe_consortium_standard__(