From 23488363ce6221a5eccb98f9506ef70482772cb5 Mon Sep 17 00:00:00 2001
From: Peter Bierma <zintensitydev@gmail.com>
Date: Wed, 2 Apr 2025 17:15:39 -0400
Subject: [PATCH] Add stub for `sys._is_interned` (#13778)

---
 stdlib/sys/__init__.pyi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stdlib/sys/__init__.pyi b/stdlib/sys/__init__.pyi
index f06afc8a6..a2cca3509 100644
--- a/stdlib/sys/__init__.pyi
+++ b/stdlib/sys/__init__.pyi
@@ -396,6 +396,7 @@ def intern(string: str, /) -> str: ...
 if sys.version_info >= (3, 13):
     def _is_gil_enabled() -> bool: ...
     def _clear_internal_caches() -> None: ...
+    def _is_interned(string: str, /) -> bool: ...
 
 def is_finalizing() -> bool: ...
 def breakpointhook(*args: Any, **kwargs: Any) -> Any: ...