python313Packages.help2man: disable broken test

pkgs/development/python-modules/help2man/default.nix

@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  pythonAtLeast,
   pythonOlder,
   jinja2,
   setuptools-scm,
@@ -35,6 +36,13 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [ pytestCheckHook ];
 
+  disabledTests = lib.optionals (pythonAtLeast "3.13") [
+    # Checks the output of `help2man --help`.
+    # Broken since 3.13 due to changes in `argparse`.
+    # Upstream issue: https://github.com/Freed-Wu/help2man/issues/6
+    "test_help"
+  ];
+
   pythonImportsCheck = [ "help2man" ];
 
   meta = with lib; {