style: ruff format

freqtrade/exchange/check_exchange.py

@@ -88,4 +88,3 @@ def check_exchange(config: Config, check_for_bad: bool = True) -> bool:
         )
 
     return True
-

freqtrade/exchange/exchange_utils.py

@@ -72,7 +72,6 @@ def validate_exchange(
     exchange: str,
     ft_has_overrides: dict[str, Any] | None = None,
 ) -> tuple[bool, str, str, ccxt.Exchange | None]:
-
     """
     returns: can_use, reason, exchange_object
         with Reason including both missing and missing_opt
@@ -89,7 +88,6 @@ def validate_exchange(
     if ft_has_overrides:
         ex_has.update(ft_has_overrides)
 
-
     result = True
     reasons = []
     reasons_fut = ""