python3Packages.para: cleanup, disable tests on python>=3.14

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

@@ -3,28 +3,36 @@
   stdenv,
   buildPythonPackage,
   fetchPypi,
-  pytestCheckHook,
+
+  # build-system
   setuptools,
+
+  # tests
+  pytestCheckHook,
+  pythonOlder,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "para";
   version = "0.0.8";
   pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     hash = "sha256-RsMjKunY6p2IbP0IzdESiSICvthkX0C2JVWXukz+8hc=";
   };
 
   build-system = [ setuptools ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
-
   pythonImportsCheck = [ "para" ];
 
-  #  AttributeError: Can't get local object 'test_output_queue_size.<locals>.get_the_a'
-  doCheck = !stdenv.hostPlatform.isDarwin;
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  doCheck =
+    #  AttributeError: Can't get local object 'test_output_queue_size.<locals>.get_the_a'
+    (!stdenv.hostPlatform.isDarwin)
+    # _pickle.PicklingError: Can't pickle local object <function test_map.<locals>.get_the_a at 0x7ffff5689fe0>
+    && (pythonOlder "3.14");
 
   meta = {
     description = "Set utilities that ake advantage of python's 'multiprocessing' module to distribute CPU-intensive tasks";
@@ -32,4 +40,4 @@ buildPythonPackage rec {
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ GaetanLepage ];
   };
-}
+})