changed test_legacy_union to test_typing_union. Changed behavior due to gh-105499

randolf-scholz · randolf-scholz · commit eeef8cd82b1e · 2025-07-21T11:41:53.000+02:00
diff --git a/Lib/test/test_patma.py b/Lib/test/test_patma.py
@@ -3457,16 +3457,15 @@ def test_class_or_union_not_specialform(self):
                     w = 0
         self.assertIsNone(w)
 
-    def test_legacy_union_type(self):
+    def test_typing_union(self):
         from typing import Union
         IntOrStr = Union[int, str]
         name = type(IntOrStr).__name__
         msg = rf"called match pattern must be a class or typing.Union of classes \(got {name}\)"
         w = None
-        with self.assertRaisesRegex(TypeError, msg):
-            match 1:
-                case IntOrStr():
-                    w = 0
+        match 1:
+            case IntOrStr():
+                w = 0
         self.assertIsNone(w)
 
     def test_expanded_union_mirrors_isinstance_success(self):
