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KeyError: 'SQLALCHEMY_TRACK_MODIFICATIONS' 报错

Gascognya

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2022-08-11

在本地运行没错,再服务上执行报了这个错

报错信息:

track_modifications = app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] KeyError: 'SQLALCHEMY_TRACK_MODIFICATIONS'

 

查了半天,后来发现是 Flask-SQLAlchemy 包的版本号不对,本地用的 Flask-SQLAlchemy (2.1) ,服务用的 Flask-SQLAlchemy (2.3)

 

卸载重装:

1 pip uninstall Flask-SQLAlchemy
2



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