From 1195bbaf33913292193d5b9d63df04414ede6cf9 Mon Sep 17 00:00:00 2001
From: James Hilton-Balfe <gobot1234yt@gmail.com>
Date: Fri, 2 Sep 2022 14:50:47 +0100
Subject: [PATCH] Make Struct.size and format read-only properties  (#8670)

attribute 'size' of '_struct.Struct' objects is not writable
---
 stdlib/struct.pyi | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/stdlib/struct.pyi b/stdlib/struct.pyi
index f7eff2b76..74afddd74 100644
--- a/stdlib/struct.pyi
+++ b/stdlib/struct.pyi
@@ -14,8 +14,10 @@ def iter_unpack(__format: str | bytes, __buffer: ReadableBuffer) -> Iterator[tup
 def calcsize(__format: str | bytes) -> int: ...
 
 class Struct:
-    format: str
-    size: int
+    @property
+    def format(self) -> str: ...
+    @property
+    def size(self) -> int: ...
     def __init__(self, format: str | bytes) -> None: ...
     def pack(self, *v: Any) -> bytes: ...
     def pack_into(self, buffer: WriteableBuffer, offset: int, *v: Any) -> None: ...