Update app.py

app.py

@@ -9,7 +9,7 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def calculate_min_price(prices: List[float])-> str: #it's import to specify the return type
+def calculate_min_price(prices: list[float])-> str: #it's import to specify the return type
     """A tool that calculates the min price of two numerical values 
     Args:
         price1: price of one product