Fix

app.py

@@ -34,8 +34,8 @@ def get_fun_fact(topic: str) -> str:
     """
     try:
         search_tool = DuckDuckGoSearchTool()
-        results = search_tool.run(f"{topic} fun fact site:wikipedia.org")
-        if results:
+        results = search_tool.run(f"{topic} fun fact")
+        if results and isinstance(results, list):
             fun_fact = results[0][:300]
             return f"Here's a fun fact about {topic}: {fun_fact}"
         else: