Update app.py

app.py

@@ -108,7 +108,15 @@ deepseek_model = HfApiModel(
 
 @tool
 def summarize_news(articles: List[Dict]) -> str:
-    """Creates a summary of the news articles followed by a list of sources."""
+    """Creates a summary of the news articles followed by a list of sources.
+    
+    Args:
+        articles: List of article dictionaries containing news article information including title,
+                 source, date, link, snippet, and full_content fields
+    
+    Returns:
+        A string containing a summary followed by article references
+    """
     if not articles or not isinstance(articles, list):
         return "No articles to summarize"