Traceback (most recent call last):


 "/home/user/Github/freqtrade/freqtrade/main.py", line 46, in main

args.func(args)


 "/home/user/Github/freqtrade/freqtrade/optimize/__init__.py", line 61, in start_backtesting

backtesting.start()


 "/home/user/Github/freqtrade/freqtrade/optimize/backtesting.py", line 449, in start

'end_date': max_date,


 "/home/user/Github/freqtrade/freqtrade/optimize/backtesting.py", line 378, in backtest

max_open_trades)


 "/home/user/Github/freqtrade/freqtrade/optimize/backtesting.py", line 254, in _get_sell_trade_entry

sell_row.sell, low=sell_row.low, high=sell_row.high)


 "/home/user/Github/freqtrade/freqtrade/strategy/interface.py", line 280, in should_sell

if self.min_roi_reached(trade=trade, current_profit=current_profit, current_time=date):


 "/home/user/Github/freqtrade/freqtrade/strategy/interface.py", line 359, in min_roi_reached

roi_entry = max(list(filter(lambda x: trade_dur >= x, self.minimal_roi.keys())))
ValueError: max() arg is an empty sequence

2016-10-21 18:11:27 DEBUG
TORNADO :: [ac9f69b] Failed doing web ui request u'editShow': Traceback (most recent call last):

 "D:\Development\ManualSearch\medusa\server\web\core\base.py", line 253, in get
results = yield self.async_call(method)

 "D:\Development\ManualSearch\lib\tornado\gen.py", line 1008, in run
value = future.result()

 "D:\Development\ManualSearch\lib\concurrent\futures\_base.py", line 398, in result
return self.__get_result()

 "D:\Development\ManualSearch\lib\concurrent\futures\thread.py", line 55, in run
result = self.fn(*self.args, **self.kwargs)

 "D:\Development\ManualSearch\medusa\server\web\core\base.py", line 271, in async_call
result = function(**kwargs)

 "D:\Development\ManualSearch\medusa\server\web\home\handler.py", line 1284, in editShow
whitelist = show_obj.release_groups.whitelistAttributeError: 'NoneType' object has no attribute 'whitelist'