Update app.py

app.py

@@ -107,6 +107,8 @@ def reset_state(task_history):
     return []
     
 def regenerate(_chatbot, task_history):
+    print("Regenerate clicked")
+    print("Before:", task_history, _chatbot)
     if not task_history:
         return _chatbot
     item = task_history[-1]
@@ -118,6 +120,7 @@ def regenerate(_chatbot, task_history):
         _chatbot[-1] = (_chatbot[-1][0], None)
     else:
         _chatbot.append((chatbot_item[0], None))
+    print("After:", task_history, _chatbot)
     return predict(_chatbot, task_history)
 
 with gr.Blocks() as demo: