fix: typing compatible with python 3.9

NorskRegnesentral · Jan 2, 2025 · b1b73c5 · b1b73c5
1 parent bf6c398
commit b1b73c5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/skchange/penalties/base.py b/skchange/penalties/base.py
@@ -99,7 +99,7 @@ def values(self) -> np.ndarray:
         return self.scale * base_values
 
     @property
-    def _base_values(self) -> np.ndarray | float:
+    def _base_values(self) -> Union[np.ndarray, float]:
         """Get the base penalty values.
 
         Returns