Update app.py

app.py

@@ -8,17 +8,19 @@ from tools.final_answer import FinalAnswerTool
 from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
+
+
 @tool
-def convert_currency(arg1:str, arg2:int)-> str: #it's import to specify the return type
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """converts currency from one currency to another using real time prices
+def convert_currency(amount: float, from_currency: str, to_currency: str) -> str:
+    """Converts an amount from one currency to another using real-time exchange rates.
+    
     Args:
-        amount: The amount to convert.
-        from_currency: The 3-letter currency code to convert from (e.g., 'USD').
-        to_currency: The 3-letter currency code to convert to (e.g., 'EUR').
+        amount (float): The amount to convert.
+        from_currency (str): The 3-letter currency code to convert from (e.g., 'USD').
+        to_currency (str): The 3-letter currency code to convert to (e.g., 'EUR').
     
     Returns:
-        A string with the converted amount and exchange rate.
+        str: A formatted string with the converted amount and exchange rate.
     """
     try:
         # Fetch exchange rate data