From 4c4278e80c74b10548f83236e0f56c0104bd4ed2 Mon Sep 17 00:00:00 2001
From: Nikita Sobolev <mail@sobolevn.me>
Date: Mon, 25 Sep 2023 09:20:53 +0300
Subject: [PATCH] Use `Literal` values for `sys.version_info.release_level`
 (#10763)

---
 stdlib/sys.pyi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/stdlib/sys.pyi b/stdlib/sys.pyi
index ca0491240..a5e819d53 100644
--- a/stdlib/sys.pyi
+++ b/stdlib/sys.pyi
@@ -225,9 +225,10 @@ class _thread_info(_UninstantiableStructseq, tuple[_ThreadInfoName, _ThreadInfoL
     def version(self) -> str | None: ...
 
 thread_info: _thread_info
+_ReleaseLevel: TypeAlias = Literal["alpha", "beta", "candidate", "final"]
 
 @final
-class _version_info(_UninstantiableStructseq, tuple[int, int, int, str, int]):
+class _version_info(_UninstantiableStructseq, tuple[int, int, int, _ReleaseLevel, int]):
     @property
     def major(self) -> int: ...
     @property
@@ -235,7 +236,7 @@ class _version_info(_UninstantiableStructseq, tuple[int, int, int, str, int]):
     @property
     def micro(self) -> int: ...
     @property
-    def releaselevel(self) -> str: ...
+    def releaselevel(self) -> _ReleaseLevel: ...
     @property
     def serial(self) -> int: ...