Flake8 fixes

freqtrade/strategy/interface.py

@@ -118,7 +118,8 @@ class IStrategy(ABC):
         dataframe = self.advise_sell(dataframe, metadata)
         return dataframe
 
-    def get_signal(self, pair: str, interval: str, ticker_hist: Optional[List[Dict]]) -> Tuple[bool, bool]:
+    def get_signal(self, pair: str, interval: str,
+                   ticker_hist: Optional[List[Dict]]) -> Tuple[bool, bool]:
         """
         Calculates current signal based several technical analysis indicators
         :param pair: pair in format ANT/BTC

freqtrade/tests/test_freqtradebot.py

@@ -47,7 +47,6 @@ def patch_get_signal(freqtrade: FreqtradeBot, value=(True, False)) -> None:
     freqtrade.exchange.refresh_tickers = lambda pl, i: {}
 
 
-
 def patch_RPCManager(mocker) -> MagicMock:
     """
     This function mock RPC manager to avoid repeating this code in almost every tests