Update app.py

app.py

@@ -9,14 +9,19 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+def add_numbers(arg1: str, arg2: int) -> str:
+    """
+    A tool that adds a number (arg2) to another number parsed from a string (arg1).
+    
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        arg1: the first argument, expected to be a string representing a number
+        arg2: the second argument, an integer to add to arg1
     """
-    return "What magic will you build ?"
+    try:
+        result = int(arg1) + arg2
+        return str(result)
+    except ValueError:
+        return "Invalid input: arg1 must be a number in string format."
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: