From 2b4d20917dc3198f9a3fce31ffaaa8ed6b538809 Mon Sep 17 00:00:00 2001
From: Fran Corbacho <francorbacho@proton.me>
Date: Sun, 16 Jun 2024 16:10:38 +0200
Subject: [PATCH] Fix return type for `__prepare__` method (#19)

---
 resource/_msg.pyi.em | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/resource/_msg.pyi.em b/resource/_msg.pyi.em
index ffe7e0d..c6ffea9 100644
--- a/resource/_msg.pyi.em
+++ b/resource/_msg.pyi.em
@@ -48,7 +48,7 @@ class Metaclass_@(message.structure.namespaced_type.name)(type):
     @@classmethod
     def __prepare__(
         cls, __name: str, __bases: typing.Tuple[type, ...], **kwargs: typing.Any
-    ) -> typing.Mapping[str, typing.Any]: ...
+    ) -> typing.MutableMapping[str, typing.Any]: ...
 @[for constant in message.constants]@
     @@property
     def @(constant.name)(self) -> @(to_type_annotation(current_namespace, defined_classes, constant.type).getter): ...