no tools module import

Former-commit-id: a595108f447dfd1eb2864572b6f49af45b409ca4

swarms/workers/worker_node.py

@@ -2,7 +2,7 @@ import logging
 from typing import List, Optional, Union
 
 import faiss
-from langchain.agents import Tool
+# from langchain.agents import Tool
 from langchain.chat_models import ChatOpenAI
 from langchain.docstore import InMemoryDocstore
 from langchain.embeddings import OpenAIEmbeddings