update evaluation

app.py

@@ -1148,9 +1148,12 @@ def create_demo():
                 feedback_file_final_survey,
             )
             submit_ranking = gr.Button(value="Final evaluaiotn received", interactive=False)
-            return """<div style="background-color: #d4edda; color: #155724; padding: 15px; border: 1px solid #c3e6cb; border-radius: 5px; margin-bottom: 20px;">
+            return (
+                """<div style="background-color: #d4edda; color: #155724; padding: 15px; border: 1px solid #c3e6cb; border-radius: 5px; margin-bottom: 20px;">
                         <strong>Thank you for participating in the experiment. This concludes the session. You may now close the tab.</strong>
-                    </div>"""
+                    </div>""",
+                submit_ranking,
+            )
 
     def get_context(index, raw_context_list, stock_context_list):
         comp = raw_context_list[index]["short_name"]