Update app.py

app.py

@@ -23,15 +23,21 @@ def user(message, history):
     return "", history
 
 def regenerate(chatbot, chat_history_state, system_msg, max_tokens, temperature, top_p, top_k, repetition_penalty):
+    print("Regenerate function called")  # Debug print
+    
     if not chat_history_state:
+        print("Chat history is empty")  # Debug print
         return chatbot, chat_history_state, ""
     
     # Remove only the last assistant's message from the chat history
     if len(chat_history_state) > 0:
+        print(f"Before: {chat_history_state[-1]}")  # Debug print
         chat_history_state[-1][1] = ""
+        print(f"After: {chat_history_state[-1]}")  # Debug print
     
     # Re-run the chat function
     new_history, _, _ = chat(chat_history_state, system_msg, max_tokens, temperature, top_p, top_k, repetition_penalty)
+    print(f"New history: {new_history}")  # Debug print
     
     return new_history, new_history, ""