Update app.py

app.py

@@ -57,7 +57,7 @@ def get_public_holidays(year: int, country_code: str) -> str:
     """Retrieves public holidays for a given year and country code
     Args:
         year: The year (integer e.g., 2023).
-        country_code (str): The ISO country code (e.g., 'IT' for Italy).
+        country_code: The ISO country code (e.g., 'IT' for Italy).
     """
     url = f"https://date.nager.at/api/v3/PublicHolidays/{year}/{country_code}"
     try: