Update app.py

app.py

@@ -339,5 +339,10 @@ def main():
     except Exception as e:
         print(f"Error launching app: {e}")
 
+def launch_app(self):
+    demo = self.build_app()
+    print(f"Demo object type: {type(demo)}")
+    demo.launch()
+
 if __name__ == "__main__":
     main()