Update app.py

app.py

@@ -111,8 +111,9 @@ Generate program files for a project as a single plain text string, strictly adh
 - Provide accurate, functional code or content for each file, suitable for the project’s purpose.
 - Ensure the output is concise, complete, and parseable to extract file structure and contents.
 - Output everything as a single plain text string within one code box.
+```
 """
-                        ```)
+                        )
 
         # --- Main Application Tabs ---
         with gr.Tabs():