From 434e31369b68abf5b09f00b28cc897d8d61f1456 Mon Sep 17 00:00:00 2001
From: Shogo Takata <peshogo@gmail.com>
Date: Thu, 20 Feb 2025 17:10:30 +0900
Subject: [PATCH] python3Packages.betterproto: fix build failure

---
 .../python-modules/betterproto/default.nix      | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/betterproto/default.nix b/pkgs/development/python-modules/betterproto/default.nix
index 6eb47812b1df..e77dffda264b 100644
--- a/pkgs/development/python-modules/betterproto/default.nix
+++ b/pkgs/development/python-modules/betterproto/default.nix
@@ -19,6 +19,21 @@
   grpcio-tools,
 }:
 
+let
+  # using a older version of pytest-asyncio only for tests
+  # https://github.com/pytest-dev/pytest-asyncio/issues/928
+  pytest-asyncio_23_8 = (
+    pytest-asyncio.overridePythonAttrs (old: rec {
+      version = "0.23.8";
+      src = fetchFromGitHub {
+        inherit (old.src) owner repo;
+        tag = "v${version}";
+        hash = "sha256-kMv0crYuYHi1LF+VlXizZkG87kSL7xzsKq9tP9LgFVY=";
+      };
+    })
+  );
+in
+
 buildPythonPackage rec {
   pname = "betterproto";
   version = "2.0.0b6";
@@ -55,7 +70,7 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     grpcio-tools
     pydantic
-    pytest-asyncio
+    pytest-asyncio_23_8
     pytest-mock
     pytest7CheckHook
     tomlkit