Update app.py

app.py

@@ -315,7 +315,7 @@ def ask_gpt(query, ui_session_id, history):
     while True:
         try:
             last_value = next(gen)
-            yield last_value, displayable_docs, history + f"[query]\n{query}\n[answer]\n{last_value}\n[references]\n{displayable_docs}\n\n"
+            yield last_value, displayable_docs, history + f"[query]\n{query}\n[answer]\n{last_value}\n[references]\n{displayable_docs}\n\n", gr.Button("Ref 2", visible=yn_display[1]), gr.Button("Ref 3", visible=yn_display[2]), gr.Button("Ref 4", visible=yn_display[3]), gr.Button("Ref 5", visible=yn_display[4])
         except StopIteration as e:
             break
     history += f"[query]\n{query}\n[answer]\n{last_value}\n[references]\n{displayable_docs}\n\n"