Update assistants.py

assistants.py

@@ -41,6 +41,10 @@ tools = {
     "tavily_search_tool": tavily_search_tool,
 }
 
+def get_openai_clientt():
+    global openai_client
+    return openai_client
+    
 def set_openai_client(openai_api_key):
     global openai_client
     openai_client = OpenAI(api_key=openai_api_key)