type frame.py & series.py

Author: topper-123

pandas/core/frame.py

@@ -2470,7 +2470,7 @@ def _from_arrays(
         index,
         dtype: Dtype | None = None,
         verify_integrity: bool = True,
-    ) -> DataFrame:
+    ) -> Self:
         """
         Create DataFrame from a list of arrays corresponding to the columns.
 
@@ -4551,7 +4551,7 @@ def eval(self, expr: str, *, inplace: bool = False, **kwargs) -> Any | None:
 
         return _eval(expr, inplace=inplace, **kwargs)
 
-    def select_dtypes(self, include=None, exclude=None) -> DataFrame:
+    def select_dtypes(self, include=None, exclude=None) -> Self:
         """
         Return a subset of the DataFrame's columns based on the column dtypes.
 

pandas/core/series.py

@@ -4360,7 +4360,7 @@ def map(
             self, method="map"
         )
 
-    def _gotitem(self, key, ndim, subset=None) -> Series:
+    def _gotitem(self, key, ndim, subset=None) -> Self:
         """
         Sub-classes to define. Return a sliced object.