想回测下算法交易的网格算法,按照cta策略的方式进行回测,出现错误,请问要怎么回测算法交易呢?
Traceback (most recent call last):
File "E:/lianghua/vnpy/backtest.py", line 24, in <module>
engine.add_strategy(GridAlgo, {})
File "D:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\backtesting.py", line 206, in add_strategy
self, strategy_class.__name__, self.vt_symbol, setting
TypeError: __init__() takes 4 positional arguments but 5 were given