PEP8 linting

freqtrade/tests/test_analyze.py

@@ -7,6 +7,7 @@ from pandas import DataFrame
 from freqtrade.analyze import parse_ticker_dataframe, populate_buy_trend, populate_indicators, \
     get_buy_signal
 
+
 @pytest.fixture
 def result():
     with open('freqtrade/tests/testdata/btc-eth.json') as data_file:
@@ -14,18 +15,22 @@ def result():
 
     return parse_ticker_dataframe(data['result'])
 
+
 def test_dataframe_has_correct_columns(result):
     assert result.columns.tolist() == \
                         ['close', 'high', 'low', 'open', 'date', 'volume']
 
+
 def test_dataframe_has_correct_length(result):
     assert len(result.index) == 5751
 
+
 def test_populates_buy_trend(result):
     dataframe = populate_buy_trend(populate_indicators(result))
     assert 'buy' in dataframe.columns
     assert 'buy_price' in dataframe.columns
 
+
 def test_returns_latest_buy_signal(mocker):
     buydf = DataFrame([{'buy': 1, 'date': datetime.today()}])
     mocker.patch('freqtrade.analyze.analyze_ticker', return_value=buydf)