Update app.py

app.py

@@ -18,9 +18,9 @@ except ImportError as exc:  # pragma: no cover - import guard
         raise ImportError(f"{base_msg} (missing package: {missing})") from exc
     raise ImportError(base_msg) from exc
 
-from .upload_stage import build_upload_stage, setup_upload_handlers
-from .config_stage import build_config_stage, setup_config_handlers
-from .results_stage import build_results_stage, setup_results_handlers, update_results_display, _export_results_to_csv
+from upload_stage import build_upload_stage, setup_upload_handlers
+from config_stage import build_config_stage, setup_config_handlers
+from results_stage import build_results_stage, setup_results_handlers, update_results_display, _export_results_to_csv
 
 
 def build_interface() -> gr.Blocks: