Update imports in test directory

tests/data/test_history.py

@@ -17,19 +17,31 @@ from freqtrade.constants import DATETIME_PRINT_FORMAT
 from freqtrade.data.converter import ohlcv_to_dataframe
 from freqtrade.data.history import get_datahandler
 from freqtrade.data.history.datahandlers.jsondatahandler import JsonDataHandler, JsonGzDataHandler
-from freqtrade.data.history.history_utils import (_download_pair_history, _download_trades_history,
-                                                  _load_cached_data_for_updating, get_timerange,
-                                                  load_data, load_pair_history,
-                                                  refresh_backtest_ohlcv_data,
-                                                  refresh_backtest_trades_data, refresh_data,
-                                                  validate_backtest_data)
+from freqtrade.data.history.history_utils import (
+    _download_pair_history,
+    _download_trades_history,
+    _load_cached_data_for_updating,
+    get_timerange,
+    load_data,
+    load_pair_history,
+    refresh_backtest_ohlcv_data,
+    refresh_backtest_trades_data,
+    refresh_data,
+    validate_backtest_data,
+)
 from freqtrade.enums import CandleType, TradingMode
 from freqtrade.exchange import timeframe_to_minutes
 from freqtrade.misc import file_dump_json
 from freqtrade.resolvers import StrategyResolver
 from freqtrade.util import dt_ts, dt_utc
-from tests.conftest import (CURRENT_TEST_STRATEGY, EXMS, get_patched_exchange, log_has, log_has_re,
-                            patch_exchange)
+from tests.conftest import (
+    CURRENT_TEST_STRATEGY,
+    EXMS,
+    get_patched_exchange,
+    log_has,
+    log_has_re,
+    patch_exchange,
+)
 
 
 def _clean_test_file(file: Path) -> None: