Update app.py

app.py

@@ -15,7 +15,7 @@ def sort(lis_:list)-> str: #it's import to specify the return type
     Args:
         lis_ : list of numbers to be sorted
     """
-    return str(sorted(args))
+    return str(sorted(lis_))
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: