added blank space to fix lint issue kernc#223

Author: zlpatel

backtesting/lib.py

@@ -486,6 +486,7 @@ def next(self):
                 trade.sl = min(trade.sl or np.inf,
                                self.data.Close[index]*(1+(self._sl_percent/100)))
 
+
 # Prevent pdoc3 documenting __init__ signature of Strategy subclasses
 for cls in list(globals().values()):
     if isinstance(cls, type) and issubclass(cls, Strategy):