omg..

app.py

@@ -14,8 +14,8 @@ def my_custom_tool(number1:int, number2:int)-> str:
         number1: the first argument
         number2: the second argument
     """
-    greatest_divisor = math.gcd_tool(number1,number2)
-    return f"The greatest common divisor between '{number1}' and '{number2}' is '{greatest_divisor}'.
+    greatest_divisor = math.gcd(number1,number2)
+        return f"The greatest common divisor between {number1} and {number2} is {greatest_divisor}."
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: