clean up

swarms/workers/worker_node.py

@@ -120,6 +120,7 @@ class WorkerNodeInitializer:
 class WorkerNode:
     def __init__(self, 
             openai_api_key: str,
+            temperature: int, 
             llm: Optional[Union[InMemoryDocstore, ChatOpenAI]] = None, 
             tools: Optional[List[Tool]] = None, 
             vectorstore: Optional[FAISS] = None,
@@ -130,8 +131,8 @@ class WorkerNode:
             search_kwargs: dict = {}, 
             verbose: Optional[bool] = False,
             chat_history_file: str = "chat_history.txt"):       
+    
         if not openai_api_key:
-            logging.error("OpenAI API key is not provided")
             raise ValueError("openai_api_key cannot be None")
         
         self.openai_api_key = openai_api_key