InvalidRequestError: Table is already defined for this MetaData instance. Specify 'extend_exist

Posted 2020-11-01 twfb

• 解决方法

  • 添加在导入包后的位置

    #models.py
    #from .....
    if __name__ == ‘__main__‘:
        db.metadata.clear()

  • 执行
• 参考链接:https://stackoverflow.com/questions/37908767/table-roles-users-is-already-defined-for-this-metadata-instance