Update utils/session_history2.py

utils/session_history2.py

@@ -252,7 +252,7 @@ class ChatbotInterface:
                 return [], [], None, ""  # [chatbot_output, conversation_state, previous_response_id_state, cleared input]
                 
             # Define a local function to process input
-            def process_input(user_message, chat_history, previous_response_id_state]):
+            def process_input(user_message, chat_history, previous_response_id_state):
                 """
                 Call generate_response with the user's message and chat history.
                 Return a tuple with the updated chat history and an empty string to clear the input.