Exception in thread Thread-167:
Traceback (most recent call last):
File "C:\vnstudio\lib\threading.py", line 917, in _bootstrap_inner
self.run()
File "C:\vnstudio\lib\threading.py", line 865, in run
self._target(*self._args, **self._kwargs)
File "D:\yxl _vny\vnpy\app\cta_backtester\engine.py", line 172, in run_backtesting
engine.run_backtesting()
File "D:\yxl _vny\vnpy\app\cta_strategy\backtesting.py", line 282, in run_backtesting
self.callback(data)
TypeError: 'NoneType' object is not callable

后面的课件上有讲到，已经处理好了！