add returns

app.py

@@ -31,6 +31,8 @@ def get_habr_news(query: str = "") -> str:
     """Searches for news on Habr based on the given query. If no query is provided, it returns the latest news.
     Args:
         query: A string representing the search query for news on Habr.
+    Returns:
+        str: A URL with the latest news or search results from Habr, or an error message in case of failure.
     """
     try:
         if not query:
@@ -44,8 +46,6 @@ def get_habr_news(query: str = "") -> str:
         else:
             return "Error retrieving data from Habr. Please try again later."
     except Exception as e:
-        return f"Error performing request: {str(e)}"
-
 
 final_answer = FinalAnswerTool()