Update tools.py

tools.py

@@ -123,7 +123,7 @@ def search_and_extract(query: str) -> list[dict]:
 
 
 @tool
-def aggregate_information(query: str="", results: list[str]) -> str:
+def aggregate_information(query: str, results: list[str]) -> str:
     """
     Processes a list of unstructured text chunks (e.g., search results) and produces a concise, query-specific summary.