(vnpy220) C:\Users\Administrator\vnpy-2.2.0>python examples\vn_trader\run.py
Traceback (most recent call last):
File "examples\vn_trader\run.py", line 4, in <module>
from vnpy.trader.engine import MainEngine
File "C:\ProgramData\Miniconda3\envs\vnpy220\lib\site-packages\vnpy\trader\engine.py", line 42, in <module>
from .setting import SETTINGS
File "C:\ProgramData\Miniconda3\envs\vnpy220\lib\site-packages\vnpy\trader\setting.py", line 30, in <module>
"database.timezone": get_localzone().zone,
AttributeError: 'backports.zoneinfo.ZoneInfo' object has no attribute 'zone'