pytorch加载模型No module named 'models'

问题具体：
在读入pytorch训练好的pth模型时遇到问题：

Exception in thread Thread-1:
Traceback (most recent call last):
  File "C:\Users\YMeng\.conda\envs\pytorchgpu\lib\threading.py", line 926, in _bootstrap_inner
    self.run()
  File "C:\Users\YMeng\.conda\envs\pytorchgpu\lib\threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "F:/Zhaohaocen/HandPose/HandPose/GUI/real_time_show_demo.py", line 148, in detection
    self.detector, self.classifer = Application._model_init()
  File "F:/Zhaohaocen/HandPose/HandPose/GUI/real_time_show_demo.py", line 114, in _model_init
    detector.model.load_state_dict(torch.load(CKPT, map_location=torch.device('cpu')))###########指定路径下读取训练模型进行训练
  File "C:\Users\YMeng\.conda\envs\pytorchgpu\lib\site-packages\torch\serialization.py", line 592, in load
    return _load(opened_zipfile, map_location, pickle_module, **pickle_load_args)
  File "C:\Users\YMeng\.conda\envs\pytorchgpu\lib\site-packages\torch\serialization.py", line 851, in _load
    result = unpickler.load()
ModuleNotFoundError: No module named 'models'

之前也看过一些解释，但我也使用了load_state_dict函数了
训练时的函数：

 checkpoint = {'model': model.state_dict(),
                                       'model_state_dict': model.state_dict(),
                                     #'optimizer_state_dict': optimizer.state_dict(),
                                   'epoch': epoch}
                torch.save(checkpoint, os.path.join(save_folder, 'epoch_{}.pth'.format(epoch)))

读入模型函数：

 detector.model.load_state_dict(torch.load(CKPT, map_location=torch.device('cpu')))

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