python3Packages.nest-asyncio: clean up, fix on 3.14

This packages is EOL upstream since 2024-03-06, but still used in too
many places.

pkgs/development/python-modules/nest-asyncio/default.nix

@@ -3,7 +3,7 @@
   buildPythonPackage,
   fetchFromGitHub,
   pytestCheckHook,
-  pythonOlder,
+  pythonAtLeast,
   setuptools,
   setuptools-scm,
 }:
@@ -13,8 +13,6 @@ buildPythonPackage rec {
   version = "1.6.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
-
   src = fetchFromGitHub {
     owner = "erdewit";
     repo = "nest_asyncio";
@@ -22,13 +20,17 @@ buildPythonPackage rec {
     hash = "sha256-5I5WItOl1QpyI4OXZgZf8GiQ7Jlo+SJbDicIbernaU4=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools
     setuptools-scm
   ];
 
   nativeCheckInputs = [ pytestCheckHook ];
 
+  disabledTestPaths = lib.optionals (pythonAtLeast "3.14") [
+    "tests/nest_test.py::NestTest::test_timeout"
+  ];
+
   pythonImportsCheck = [ "nest_asyncio" ];
 
   meta = with lib; {