backtesting remove from import + whitespace removed

freqtrade/edge/__init__.py

@@ -13,7 +13,6 @@ from freqtrade.arguments import Arguments
 from freqtrade.arguments import TimeRange
 from freqtrade.strategy.interface import SellType
 from freqtrade.strategy.resolver import IStrategy, StrategyResolver
-from freqtrade.optimize.backtesting import Backtesting
 import sys
 
 logger = logging.getLogger(__name__)

freqtrade/freqtradebot.py

@@ -196,7 +196,6 @@ class FreqtradeBot(object):
             # Refreshing candles
             self.exchange.refresh_tickers(self.active_pair_whitelist, self.strategy.ticker_interval)
 
-
             # Query trades from persistence layer
             trades = Trade.query.filter(Trade.is_open.is_(True)).all()