fixed ddgs tool

app.py

@@ -27,15 +27,25 @@ def duckduckgo_search(query: str) -> str:
     Returns:
         A string containing the top 3 URLs separated by newline characters.
     """
-    # Use the DuckDuckGoSearchTool to perform the search.
-    # this tool returns a list of dictionaries each with a 'url' key.
-    results = DuckDuckGoSearchTool(query=query)
-    
-    # Extract the top 3 results.
-    top_results = results[:3]
-    urls = [result.get("url", "URL not found") for result in top_results]
+    try:
+        # Initialize the search tool
+        search_tool = DuckDuckGoSearchTool()
+        # Run the search query
+        results = search_tool.run(query)
+        
+        # Ensure results are a list
+        if not isinstance(results, list):
+            return "Unexpected response format from DuckDuckGo search."
+
+        # Extract the top 3 results
+        top_results = results[:3]
+        urls = [result.get("url", "URL not found") for result in top_results]
+        
+        return "\n".join(urls)
     
-    return "\n".join(urls)
+    except Exception as e:
+        return f"Error performing DuckDuckGo search: {str(e)}"
+
 
 @tool
 def generate_image(prompt: str) -> str: