Update app.py

app.py

@@ -10,7 +10,7 @@ from Gradio_UI import GradioUI
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def calculator(arg1: int, arg2: str, arg3: int) -> int:
-    """
+    '''
     A simple calculator that performs basic arithmetic operations.
 
     Args:
@@ -23,7 +23,7 @@ def calculator(arg1: int, arg2: str, arg3: int) -> int:
 
     Raises:
         ValueError: If an invalid operator is provided.
-    """
+    '''
     if arg2 == "+":
         return arg1 + arg3
     elif arg2 == "-":