ImportError Traceback (most recent call last)
Cell In[1], line 6
4 from vnpy.trader.constant import Exchange, Interval
5 from vnpy.trader.object import BarData
----> 6 from vnpy.trader.database import DB_TZ, database_manager
9 def download_stock_daily_data(symbol: str, exchange: Exchange):
10 """基于代码和交易所下载数据"""
ImportError: cannot import name 'database_manager' from 'vnpy.trader.database' (C:\veighna_studio\lib\site-packages\vnpy\trader\database.py)