fix tool

app.py

@@ -10,14 +10,7 @@ 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
-    """Возвращает случайную шутку.
-        Args:
-         arg1: the first argument
-         arg2: the second argument
-    """
-    response = requests.get("https://official-joke-api.appspot.com/random_joke")
-    data = response.json()
-    return f"{data['setup']} — {data['punchline']}"
+    return f"Hello, {arg1}. You are {arg2}."
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: