Fixing return in delete_data function.

app.py

@@ -41,9 +41,9 @@ def delete_data(secret):
         return
     if os.path.exists(local_storage_file):
         os.remove(local_storage_file)
-        print("Data deleted successfully")
+        return "Data deleted successfully"
     else:
-        print("No data found")
+        return "No data found"
 
 
 # Create Gradio interface