E:\量化\02.2019年VNPY量化交易实战教程附源码讲义 30课\00.配套资料（讲义、代码）\data\课时1-6材料\data>python loadCsv.py
Traceback (most recent call last):
File "loadCsv.py", line 13, in <module>
from vnpy.trader.vtObject import VtBarData
ModuleNotFoundError: No module named 'vnpy.trader.vtObject'