Update tools.py

tools.py

@@ -1,4 +1,3 @@
-```python
 from langchain_core.tools import tool
 from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain_community.vectorstores import FAISS
@@ -106,5 +105,4 @@ def tavily_search(query: str) -> dict:
     try:
         return {"results": TavilySearchResults(max_results=5).run(query)}
     except Exception as e:
-        return {"error": str(e)}
-```
+        return {"error": str(e)}