Update app.py

app.py

@@ -43,7 +43,14 @@ duckduckgo_tool = DuckDuckGoSearchTool()
 
 @tool
 def compare_wikipedia_duckduckgo(query: str) -> str:
-    """Compares Wikipedia summary with DuckDuckGo search results."""
+    """Compares Wikipedia summary with DuckDuckGo search results.
+    
+    Args:
+        query: A string representing the search term for comparison.
+        
+    Returns:
+        A formatted string comparing Wikipedia's summary with DuckDuckGo search results.
+    """
     wiki_summary = wikipedia_summary(query)
     search_results = duckduckgo_tool.run(query)