DOC: Pass docstring validation for Index.infer_objects (#61756)

Author: mroeschke

pandas/core/indexes/base.py

@@ -7026,6 +7026,23 @@ def infer_objects(self, copy: bool = True) -> Index:
         ----------
         copy : bool, default True
             Whether to make a copy in cases where no inference occurs.
+
+        Returns
+        -------
+        Index
+            An Index with a new dtype if the dtype was inferred
+            or a shallow copy if the dtype could not be inferred.
+
+        See Also
+        --------
+        Index.inferred_type: Return a string of the type inferred from the values.
+
+        Examples
+        --------
+        >>> pd.Index(["a", 1]).infer_objects()
+        Index(['a', '1'], dtype='object')
+        >>> pd.Index([1, 2], dtype="object").infer_objects()
+        Index([1, 2], dtype='int64')
         """
         if self._is_multi:
             raise NotImplementedError(