Update app.py

app.py

@@ -252,7 +252,7 @@ class FileProcessor:
             }]
         except Exception as e:
             logger.error(f"File processing error: {e}")
-            return [] ```python
+            return []
 def generate_qr_code(json_data):
     """Generate a QR code from JSON data."""
     qr = qrcode.make(json_data)