:param model: the target model which should have the input tensor, the target tensor and the loss tensor:param loss_fn: None if using original loss of the model. """
AttributeError:'str‘对象没有属性'_meta’
File "C:\Users\ipcramk\PycharmProjectsQuality_Check_UI\lib\site-packages\django\forms\models.py", line 292, in __init__A