diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index 2b4a8dd03..a18c6c915 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -21,6 +21,7 @@ from freqtrade.persistence import PairLocks, Trade
 from freqtrade.strategy.strategy_wrapper import strategy_safe_wrapper
 from freqtrade.wallets import Wallets
 
+
 logger = logging.getLogger(__name__)