Apply isort to tests

tests/strategy/strats/legacy_strategy.py

@@ -1,12 +1,13 @@
 
 # --- Do not remove these libs ---
-from freqtrade.strategy.interface import IStrategy
-from pandas import DataFrame
-# --------------------------------
-
 # Add your lib to import here
 import talib.abstract as ta
+from pandas import DataFrame
 
+from freqtrade.strategy.interface import IStrategy
+
+
+# --------------------------------
 
 # This class is a sample. Feel free to customize it.
 class TestStrategyLegacy(IStrategy):

tests/strategy/test_interface.py

@@ -19,6 +19,7 @@ from tests.conftest import log_has, log_has_re
 
 from .strats.default_strategy import DefaultStrategy
 
+
 # Avoid to reinit the same object again and again
 _STRATEGY = DefaultStrategy(config={})
 _STRATEGY.dp = DataProvider({}, None, None)

tests/strategy/test_strategy_helpers.py

@@ -1,5 +1,5 @@
-import pandas as pd
 import numpy as np
+import pandas as pd
 
 from freqtrade.strategy import merge_informative_pair, timeframe_to_minutes