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得到类型 object 'datetime.datetime' 没有属性 'datetime'

[英]got type object 'datetime.datetime' has no attribute 'datetime'

###type object datetime.datetime has no attribute 'datetime' ###type object datetime.datetime 没有属性“datetime”
on this line am getting error###在这一行出现错误###

last_sync_timestamp = db.DateTimeField(default=datetime.datetime.utcnow)

###and i imported from datetime import datetime### ###and我从日期时间导入日期时间###

The issue stems from the way you've specified the import.问题源于您指定导入的方式。 Two solutions.两种解决方案。

1. 1.

import datetime

last_sync_timestamp = db.DateTimeField(default=datetime.datetime.utcnow)
from datetime import datetime
last_sync_timestamp = db.DateTimeField(default=datetime.utcnow)

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