flake8 fix

tests/exchange/test_exchange.py

@@ -75,6 +75,7 @@ get_sell_rate_data = [
     ('ask', 0.006, 1.0, 11.0, None, 0.006),
 ]
 
+
 def ccxt_exceptionhandlers(mocker, default_conf, api_mock, exchange_name,
                            fun, mock_ccxt_fun, retries=API_RETRY_COUNT + 1, **kwargs):
 
@@ -1951,7 +1952,6 @@ def test_fetch_l2_order_book_exception(default_conf, mocker, exchange_name):
         exchange.fetch_l2_order_book(pair='ETH/BTC', limit=50)
 
 
-
 @pytest.mark.parametrize("side,ask,bid,last,last_ab,expected", get_buy_rate_data)
 def test_get_buy_rate(mocker, default_conf, caplog, side, ask, bid,
                       last, last_ab, expected) -> None:

tests/test_freqtradebot.py

@@ -2129,7 +2129,7 @@ def test_check_handle_timedout_buy_usercustom(default_conf_usdt, ticker_usdt, li
 def test_check_handle_timedout_buy(default_conf_usdt, ticker_usdt, limit_buy_order_old, open_trade,
                                    fee, mocker) -> None:
     rpc_mock = patch_RPCManager(mocker)
-    open_trade.open_order_id = limit_buy_order_old['id']	
+    open_trade.open_order_id = limit_buy_order_old['id']
     order = Order.parse_from_ccxt_object(limit_buy_order_old, 'mocked', 'buy')
     open_trade.orders[0] = order
     limit_buy_cancel = deepcopy(limit_buy_order_old)