Update agent.py

agent.py

@@ -10,12 +10,12 @@ from tools import web_search_tool, repl_tool
 
 OPENAI_API_KEY = os.environ.get("OPENAI_API_KEY")
 
-chat_model = ChatOpenAI(model='gpt-4o', temperature=0, api_key=OPENAI_API_KEY)
+chat_model = ChatOpenAI(model='gpt-4o-mini', temperature=0, api_key=OPENAI_API_KEY)
 tools = [web_search_tool, repl_tool]
 chat_model_with_tools = chat_model.bind_tools(tools)
 
 SYSTEM_MESSAGE = """
-You are a general AI assistant. I will ask you a question. Report your thoughts, and finish your answer with the following template: FINAL ANSWER: [YOUR FINAL ANSWER]. 
+You are a general AI assistant. I will ask you a question. Report your thoughts, and finish your answer with the following template: [YOUR FINAL ANSWER]. 
 YOUR FINAL ANSWER should be a number OR as few words as possible OR a comma separated list of numbers and/or strings. If you are asked for a number, don't use comma to 
 write your number neither use units such as $ or percent sign unless specified otherwise. If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), 
 and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, apply the above rules depending of whether the element to be