Update app.py

app.py

@@ -34,7 +34,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
 @tool
-def MyCustomSearch(*args, max_results = 10, **kwargs)
+def MyCustomSearch(*args, max_results = 10, **kwargs) -> str:
     """A tool that does nothing yet
     Args: