Update app.py

app.py

@@ -9,8 +9,8 @@ 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(currency: str = "usd", amount: int = 1)-> str: #it's import to specify the return type
-     """A tool that fetches the current Bitcoin price and calculates conversion
+def my_custom_tool(currency: str = "usd", amount: float = 1.0) -> str:
+    """A tool that fetches the current Bitcoin price and calculates conversion
     Args:
         currency: The currency to get Bitcoin rate in (default: 'usd')
         amount: The amount of Bitcoin to convert (default: 1.0)