pep8 fix

freqtrade/tests/test_analyze.py

@@ -9,6 +9,7 @@ from pandas import DataFrame
 from freqtrade.analyze import parse_ticker_dataframe, populate_buy_trend, populate_indicators, \
     get_signal, SignalType, populate_sell_trend
 
+
 @pytest.fixture
 def result():
     with open('freqtrade/tests/testdata/BTC_ETH-1.json') as data_file:
@@ -63,6 +64,7 @@ def test_returns_latest_sell_signal(mocker):
     )
     assert not get_signal('BTC-ETH', SignalType.SELL)
 
+
 def test_get_signal_handles_exceptions(mocker):
     mocker.patch('freqtrade.analyze.get_ticker_history', return_value=MagicMock())
     mocker.patch('freqtrade.analyze.analyze_ticker',