fix: Remove obvious error

capella2polarion/converters/converter_config.py

@@ -89,7 +89,7 @@ def _filter_converter_config(self) -> dict[str, dict[str, t.Any]]:
                 assert isinstance(params, dict)
                 params = _filter_context_diagram_config(params)
 
-            if name in ("add_attributes"):
+            if name in ("add_attributes",):
                 assert isinstance(params, list)  # type: ignore[unreachable]
                 params = {"attributes": params}  # type: ignore[unreachable]