DOC: Add type hint for squeeze method (pandas-dev#60415)

Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>

Author: 2 people

pandas/core/generic.py

@@ -838,7 +838,7 @@ def pop(self, item: Hashable) -> Series | Any:
         return result
 
     @final
-    def squeeze(self, axis: Axis | None = None):
+    def squeeze(self, axis: Axis | None = None) -> Scalar | Series | DataFrame:
         """
         Squeeze 1 dimensional axis objects into scalars.