Traceback (most recent call last):
File "c:\vnstudio\lib\site-packages\vnpy\app\cta_backtester\engine.py", line 180, in run_backtesting
engine.run_backtesting()
File "c:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\backtesting.py", line 313, in run_backtesting
for ix, i in enumerate(range(0, total_size, batch_size)):
ValueError: range() arg 3 must not be zero