python312Packages.aetcd: relax protobuf, use pytest-cov-stub

pkgs/development/python-modules/aetcd/default.nix

@@ -5,6 +5,7 @@
   grpcio,
   protobuf,
   pytest-asyncio,
+  pytest-cov-stub,
   pytest-mock,
   pytestCheckHook,
   pythonOlder,
@@ -29,22 +30,23 @@ buildPythonPackage rec {
   postPatch = ''
     substituteInPlace setup.py \
       --replace-fail "setuptools_scm==6.3.2" "setuptools_scm"
-    substituteInPlace setup.cfg \
-      --replace-fail "--cov=aetcd" ""
   '';
 
-  nativeBuildInputs = [
+  pythonRelaxDeps = [ "protobuf" ];
+
+  build-system = [
     setuptools
     setuptools-scm
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     grpcio
     protobuf
   ];
 
   nativeCheckInputs = [
     pytest-asyncio
+    pytest-cov-stub
     pytest-mock
     pytestCheckHook
   ];