pandas-dev#57088: Changed ndim to 1, modified doc as suggested.

Author: lamprinikourou

pandas/core/frame.py

@@ -11494,7 +11494,7 @@ def any(
         **kwargs,
     ) -> Series | bool: ...
 
-    @doc(make_doc("any", ndim=2))
+    @doc(make_doc("any", ndim=1))
     def any(
         self,
         *,
@@ -11540,7 +11540,7 @@ def all(
         **kwargs,
     ) -> Series | bool: ...
 
-    @doc(make_doc("all", ndim=2))
+    @doc(make_doc("all", ndim=1))
     def all(
         self,
         axis: Axis | None = 0,

pandas/core/generic.py

@@ -11881,9 +11881,9 @@ def last_valid_index(self) -> Hashable:
 
 Returns
 -------
-{name1} or {name2}
-    If level is specified, then, {name2} is returned; otherwise, {name1}
-    is returned.
+{name2} or {name1}
+If axis=None, then a scalar boolean is returned.
+Otherwise a Series is returned with index matching the index argument.
 
 {see_also}
 {examples}"""