[Chore/Refactor] Improve type checking configuration (#25185)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/services/dataset_service.py

@@ -1198,7 +1198,7 @@ class DocumentService:
                             "Invalid process rule mode: %s, can not find dataset process rule",
                             process_rule.mode,
                         )
-                        return
+                        return [], ""
                     db.session.add(dataset_process_rule)
                     db.session.commit()
             lock_name = f"add_document_lock_dataset_id_{dataset.id}"