Update app.py

Change the api key position

app.py

@@ -11,9 +11,6 @@ from Gradio_UI import GradioUI
 NEWSAPI_KEY = "be0caa3084bf4bdc9052203cb149d9e1"
 newsapi = NewsApiClient(api_key = NEWSAPI_KEY)
 
-# Conversion rate API
-API_URL = f"https://v6.exchangerate-api.com/v6/ac069b4cb2fe9f46d311de15/latest/{from_currency}"
-
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
@@ -87,6 +84,9 @@ def convert_currency(amount: float, from_currency: str, to_currency: str) -> str
         # Fetch the latest exchange rates
         response = requests.get(API_URL)
         
+        # Conversion rate API
+        API_URL = f"https://v6.exchangerate-api.com/v6/ac069b4cb2fe9f46d311de15/latest/{from_currency}"
+        
         if response.status_code == 200:
             data = response.json()