chr

app.py

@@ -20,7 +20,7 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 
 
 @tool
-def calculus(arg1:char, arg2:double, arg3: double)-> double:
+def calculus(arg1:chr, arg2:double, arg3: double)-> double:
     """A tool that does basic math operations, like adition, substraction, multimplication and division between two real numbers. 
     Args:
         arg1: the operator (should be one of the following: '+','-','*','/')