From 7a1f958aca408c069513b53bbf2c3404419215e2 Mon Sep 17 00:00:00 2001
From: Alex Waygood <Alex.Waygood@Gmail.com>
Date: Thu, 16 Dec 2021 11:28:44 +0000
Subject: [PATCH] Correct `sre_parse.State.opengroup`

New error picked up by updated stubtest; helps unblock #6589
---
 stdlib/sre_parse.pyi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stdlib/sre_parse.pyi b/stdlib/sre_parse.pyi
index 2d00bedc2c81..8a60c2f990d6 100644
--- a/stdlib/sre_parse.pyi
+++ b/stdlib/sre_parse.pyi
@@ -24,7 +24,7 @@ class _State:
     def __init__(self) -> None: ...
     @property
     def groups(self) -> int: ...
-    def opengroup(self, name: str = ...) -> int: ...
+    def opengroup(self, name: str | None = ...) -> int: ...
     def closegroup(self, gid: int, p: SubPattern) -> None: ...
     def checkgroup(self, gid: int) -> bool: ...
     def checklookbehindgroup(self, gid: int, source: Tokenizer) -> None: ...