Update app.py

app.py

@@ -14,7 +14,7 @@ def say_hi(name: str) -> str:
     Args:
         name: one of pepole's name
     """
-    return "Hi {name}, Can I help you?"
+    return f"Hi '{name}', Can I help you?"
     
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type