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 math(number1:int, number2:int, operator: str)
+def math(number1:int, number2:int, operator: str) -> str:
     """A tool that can ADD or SUBTRACT two numbers number1 and number2.
     Args:
         number1: the first number