diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index 40debe78f..2f1326f48 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -489,8 +489,7 @@ class IStrategy(ABC):
 
     def ignore_expired_candle(self, latest_date: datetime, current_time: datetime,
                               timeframe_seconds: int, buy: bool):
-        if self.ignore_buying_expired_candle_after \
-                and buy:
+        if self.ignore_buying_expired_candle_after and buy:
             time_delta = current_time - (latest_date + timedelta(seconds=timeframe_seconds))
             return time_delta.total_seconds() > self.ignore_buying_expired_candle_after
         else: