diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index d05965023..83a60b906 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -2152,7 +2152,7 @@ class Exchange:
             except IndexError:
                 logger.exception("Error loading %s. Result was %s.", pair, data)
                 return pair, timeframe, candle_type, [], self._ohlcv_partial_candle
-            logger.debug("Done fetching pair %s, %s interval %s...", pair, candle_type, timeframe )
+            logger.debug("Done fetching pair %s, %s interval %s...", pair, candle_type, timeframe)
             return pair, timeframe, candle_type, data, self._ohlcv_partial_candle
 
         except ccxt.NotSupported as e:
diff --git a/tests/test_freqtradebot.py b/tests/test_freqtradebot.py
index 30bffe4e1..088c9ee5e 100644
--- a/tests/test_freqtradebot.py
+++ b/tests/test_freqtradebot.py
@@ -28,8 +28,9 @@ from tests.conftest import (EXMS, create_mock_trades, create_mock_trades_usdt,
                             get_patched_freqtradebot, get_patched_worker, log_has, log_has_re,
                             patch_edge, patch_exchange, patch_get_signal, patch_wallet,
                             patch_whitelist)
-from tests.conftest_trades import (MOCK_TRADE_COUNT, entry_side, exit_side, mock_order_2, mock_order_2_sell, mock_order_3, mock_order_3_sell,
-                                   mock_order_4, mock_order_5_stoploss, mock_order_6_sell)
+from tests.conftest_trades import (MOCK_TRADE_COUNT, entry_side, exit_side, mock_order_2,
+                                   mock_order_2_sell, mock_order_3, mock_order_3_sell, mock_order_4,
+                                   mock_order_5_stoploss, mock_order_6_sell)
 from tests.conftest_trades_usdt import mock_trade_usdt_4