python312Packages.mwxml: disable failing test on darwin

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

@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchPypi,
   jsonschema,
@@ -31,6 +32,11 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "mwxml" ];
 
+  disabledTests = lib.optionals stdenv.hostPlatform.isDarwin [
+    # AttributeError: Can't get local object 'map.<locals>.process_path'
+    "test_complex_error_handler"
+  ];
+
   meta = {
     description = "Set of utilities for processing MediaWiki XML dump data";
     mainProgram = "mwxml";