23课时,在运行下面代码时出错:
import pandas as pd
trackers = engine.strategy.bar_trackers
df2 = pd.DataFrame.from_dict([t.__dict__ for t in trackers.values()])
df2
错误信息是:
Exception ignored in: 'pandas._libs.tslibs.conversion._localize_tso'
Traceback (most recent call last):
File "pandas_libs\tslibs\timezones.pyx", line 266, in pandas._libs.tslibs.timezones.get_dst_info
AttributeError: 'NoneType' object has no attribute 'total_seconds'
请大佬们指教这是什么问题,谢谢!