CTP正常连接,回测模块进不去,错误提示如下:
Traceback (most recent call last):
  File "c:\vnstudio\lib\site-packages\vnpy\trader\ui\mainwindow.py", line 281, in open_widget
    widget = widget_class(self.main_engine, self.event_engine)
  File "c:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\ui\widget.py", line 51, in init
    self.init_strategy_settings()
  File "c:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\ui\widget.py", line 59, in init_strategy_settings
    setting = self.backtester_engine.get_default_setting(class_name)
  File "c:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\engine.py", line 246, in get_default_setting
    return strategy_class.get_class_parameters()
  File "c:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\template.py", line 60, in get_class_parameters
    class_parameters[name] = getattr(cls, name)
TypeError: getattr(): attribute name must be string


