python312Packages.pyrfc3339: disable tests

They use nose, which relies on the imp module, which was been removed
from Python 3.12.

pkgs/development/python-modules/pyrfc3339/default.nix

@@ -1,21 +1,41 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, pythonOlder
+
+# build-system
+, setuptools
+
+# dependencies
 , pytz
+
+# tests
 , nose
 }:
 
 buildPythonPackage rec {
   pname = "pyRFC3339";
   version = "1.1";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "06jv7ar7lpvvk0dixzwdr3wgm0g1lipxs429s2z7knwwa7hwpf41";
   };
 
-  propagatedBuildInputs = [ pytz ];
-  buildInputs = [ nose ];
+  nativeBuildInputs = [
+    setuptools
+  ];
+
+  propagatedBuildInputs = [
+    pytz
+  ];
+
+  doCheck = pythonOlder "3.12";
+
+  nativeCheckInputs = [
+    nose
+  ];
 
   meta = with lib; {
     description = "Generate and parse RFC 3339 timestamps";