Fix rank method with nullable int

tqa236 · tqa236 · commit 3644ac431432 · 2024-03-08T14:15:30.000+01:00
diff --git a/pandas/core/arrays/masked.py b/pandas/core/arrays/masked.py
@@ -1057,7 +1057,7 @@ def factorize(
         return codes, uniques_ea
 
     @doc(ExtensionArray._values_for_argsort)
-    def _values_for_argsort(self) -> Self:
+    def _values_for_argsort(self) -> np.ndarray:
         return self._data
 
     def value_counts(self, dropna: bool = True) -> Series:
