Update app.py

app.py

@@ -11,25 +11,50 @@ import os
 
 @tool
 def news_aggregator(keyword: str, max_results: int = 5) -> str:
+    """
+    A tool that fetches the latest news articles related to a specific keyword.
+    
+    Args:
+        keyword: The topic or keyword to search for (e.g., "AI", "technology").
+        max_results: The maximum number of articles to return (default is 5).
+    
+    Returns:
+        A string containing the titles and URLs of the latest news articles.
+    """
     try:
-        api_key = os.getenv("NEWSAPI_KEY")  # Fetch the API key from environment variables
+        # Fetch the API key from environment variables
+        api_key = os.getenv("NEWSAPI_KEY")
         if not api_key:
-            return "NewsAPI key is missing. Please set the NEWSAPI_KEY environment variable."
+            return "Error: NewsAPI key is missing. Please set the NEWSAPI_KEY environment variable."
+        
+        # Construct the API URL
         url = f"https://newsapi.org/v2/everything?q={keyword}&pageSize={max_results}&apiKey={api_key}"
+        
+        # Make the API request
         response = requests.get(url)
-        response.raise_for_status()
+        response.raise_for_status()  # Raise an error for bad status codes
+        
+        # Parse the JSON response
         data = response.json()
+        
+        # Check if the response contains articles
         articles = data.get("articles", [])
         if not articles:
-            return "No news articles found for the given keyword."
-        result = "Here are the latest news articles:\n"
+            return f"No news articles found for the keyword '{keyword}'."
+        
+        # Format the results
+        result = f"Here are the latest news articles about '{keyword}':\n"
         for i, article in enumerate(articles, 1):
             title = article.get("title", "No title")
             url = article.get("url", "#")
             result += f"{i}. {title}\n   {url}\n"
+        
         return result
+    
     except requests.exceptions.RequestException as e:
         return f"Error fetching news articles: {str(e)}"
+    except Exception as e:
+        return f"An unexpected error occurred: {str(e)}"
 final_answer = FinalAnswerTool()
 
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder: