Update app.py

app.py

@@ -4,6 +4,10 @@ from Gradio_UI import GradioUI
 
 @tool
 def say_hello(name: str) -> str:
+    """A tool that greets a person by name.
+    Args:
+        name: The name of the person to greet.
+    """
     return f"Hello, {name}!"
 
 final_answer = FinalAnswerTool()