Update test message re to match

johnslavik · johnslavik · commit 62082cdbee15 · 2026-01-19T18:06:01.000+01:00
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
@@ -4501,7 +4501,7 @@ class Concrete3(InheritedRCProto3):
             r"<class .+\.InheritedRCProto\d'> isn't explicitly decorated "
             r"with @runtime_checkable but it is used in issubclass\(\) or "
             r"isinstance\(\). Instance and class checks can only be used with "
-            r"@runtime_checkable protocols. This may stop working in Python 3.20."
+            r"@runtime_checkable protocols. This will raise a TypeError in Python 3.20."
         )
 
         for inherited_runtime_proto in InheritedRCProto1, InheritedRCProto2, InheritedRCProto3:

Original file line number	Diff line number	Diff line change
`@@ -4501,7 +4501,7 @@ class Concrete3(InheritedRCProto3):`
`4501`	`4501`	`r"<class .+\.InheritedRCProto\d'> isn't explicitly decorated "`
`4502`	`4502`	`r"with @runtime_checkable but it is used in issubclass\(\) or "`
`4503`	`4503`	`r"isinstance\(\). Instance and class checks can only be used with "`
`4504`		`- r"@runtime_checkable protocols. This may stop working in Python 3.20."`
	`4504`	`+ r"@runtime_checkable protocols. This will raise a TypeError in Python 3.20."`
`4505`	`4505`	`)`
`4506`	`4506`
`4507`	`4507`	`for inherited_runtime_proto in InheritedRCProto1, InheritedRCProto2, InheritedRCProto3:`