remove unused imports

freqtrade/optimize/hyperopt.py

@@ -23,7 +23,6 @@ from pandas import DataFrame
 from freqtrade.constants import DATETIME_PRINT_FORMAT, LAST_BT_RESULT_FN
 from freqtrade.data.converter import trim_dataframe
 from freqtrade.data.history import get_timerange
-from freqtrade.exceptions import OperationalException
 from freqtrade.misc import file_dump_json, plural
 from freqtrade.optimize.backtesting import Backtesting
 # Import IHyperOpt and IHyperOptLoss to allow unpickling classes from these modules

freqtrade/optimize/hyperopt_auto.py

@@ -7,6 +7,8 @@ from contextlib import suppress
 from typing import Any, Callable, Dict, List
 
 from pandas import DataFrame
+
+
 with suppress(ImportError):
     from skopt.space import Dimension
 

freqtrade/optimize/hyperopt_interface.py

@@ -14,6 +14,7 @@ from freqtrade.exchange import timeframe_to_minutes
 from freqtrade.misc import round_dict
 from freqtrade.strategy import IStrategy
 
+
 logger = logging.getLogger(__name__)