Update app.py

app.py

@@ -95,8 +95,15 @@ def chat_with_model(user_input, history=[]):
     split_response = response.split(tokenizer.eos_token)
     bot_response = split_response[-1].strip()
 
+    # Explicitly format history as list of tuples:
     history.append((user_input, bot_response))
-    return bot_response, history
+    
+    # Reformat history for Gradio Chatbot - Ensure tuples within a list
+    chatbot_history = []
+    for turn in history:
+        chatbot_history.append(turn) # Each turn is already a tuple (user_msg, bot_msg)
+
+    return bot_response, chatbot_history # Return chatbot_history for Gradio
 
 def history_to_transformer_format(history):
     """Convert gradio history to a list of strings for transformer input."""