refac

backend/open_webui/main.py

@@ -1790,12 +1790,9 @@ async def chat_completion(
                 'stream_delta_chunk_size': stream_delta_chunk_size,
                 'reasoning_tags': reasoning_tags,
                 'function_calling': (
-                    'native'
-                    if (
-                        form_data.get('params', {}).get('function_calling') == 'native'
-                        or model_info_params.get('function_calling') == 'native'
-                    )
-                    else 'default'
+                    form_data.get('params', {}).get('function_calling')
+                    or model_info_params.get('function_calling')
+                    or 'native'
                 ),
             },
         }