Update tools.py

fix " problem

tools.py

@@ -44,8 +44,8 @@ def web_search(query: str) -> str:
     search_docs = TavilySearch(max_results=3).invoke(input=query)
     formatted_search_docs = "\n\n---\n\n".join(
         [
-            f'<Document title="{doc["title"]}" url="{doc['url']}" confidence score="{doc["score"]}"/>\n</Document>{doc['content']}\n</Document>\n'
-            for doc in search_docs['results']
+            f'<Document title="{doc["title"]}" url="{doc["url"]}" confidence score="{doc["score"]}"/>\n</Document>{doc["content"]}\n</Document>\n'
+            for doc in search_docs["results"]
         ]
     )
     return {"web_results": formatted_search_docs}