Update app.py

app.py

@@ -37,7 +37,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
 def get_oil_price_by_country(country: str) -> str:
     """A tool that fetches the current oil price in a specific country.
     Args:
-        timezone: A string representing a the price in $ of the oil in the country.
+        country: A string representing a the country for which we need to provide the oil price.
     """
     try:
         return f"The oil price for {country} is: {0.1 *len(country)}$"