Update string_.py

Author: espoirMur

pandas/core/arrays/string_.py

@@ -727,8 +727,8 @@ def __arrow_array__(self, type=None):
         values[self.isna()] = None
         return pa.array(values, type=type, from_pandas=True)
 
-    # type: ignore[override]
-    def _values_for_factorize(self) -> tuple[np.ndarray, libmissing.NAType | float]:
+    
+    def _values_for_factorize(self) -> tuple[np.ndarray, libmissing.NAType | float]:  # type: ignore[override]
         arr = self._ndarray
 
         return arr, self.dtype.na_value