Update app2.py

app2.py

@@ -316,8 +316,7 @@ def generate_qr_code(data: Union[str, Dict], combined: bool = True) -> List[str]
                             border=4,
                         )
                         json_str = json.dumps(cleaned_item, ensure_ascii=False)
-                        qr.add_data(json ```python
-_str)
+                        qr.add_data(json_str)
                         qr.make(fit=True)
                         
                         img = qr.make_image(fill_color="black", back_color="white")