diff --git a/tests/exchange/test_exchange_utils.py b/tests/exchange/test_exchange_utils.py
index 67cfdd0a5..9460b8abf 100644
--- a/tests/exchange/test_exchange_utils.py
+++ b/tests/exchange/test_exchange_utils.py
@@ -29,9 +29,7 @@ from freqtrade.exchange import (
     timeframe_to_seconds,
 )
 from freqtrade.exchange.check_exchange import check_exchange
-from freqtrade.exchange.exchange_utils import (
-    _exchange_has_helper,
-)
+from freqtrade.exchange.exchange_utils import _exchange_has_helper
 from tests.conftest import log_has_re