Update assistants.py

assistants.py

@@ -9,13 +9,12 @@ from tavily import TavilyClient
 from typing import List
 from utils import function_to_schema, show_json
 
-openai_client = OpenAI(api_key=os.environ.get("OPENAI_API_KEY"))
+openai_client, assistant, thread = None, None, None
+
 tavily_client = TavilyClient(api_key=os.environ.get("TAVILY_API_KEY"))
 
 assistant_id = "asst_DbCpNsJ0vHSSdl6ePlkKZ8wG"
 
-assistant, thread = None, None
-
 def today_tool() -> str:
     """Returns today's date. Use this function for any questions related to knowing today's date. 
        There should be no input. This function always returns today's date."""