When I run 'Proto'_ MAML ', an error occurred in the code,

[aosodofogo]

RuntimeError: One of the differentiated Tensors appears to not have been used in the graph. Set allow_unused=True if this is the desired behavior.
The error appears to be due to the calculation "grades=torch. autograd. grad (loss, Tensor_list, create_graph=not first_order)"
This problem did not occur when I ran other experiments.
I would appreciate it if you could provide a solution

[Han-Jia]

Hello, I updated the file in another project. Could you please send a request to my email yehj@lamda.nju.edu.cn and I'll reply you the new file.

[aosodofogo]

Thank you for your quick response, I have already used my email to Send you a message and look forward to your new file