fix a issue of RuntimeError

[nicolgo]

fix the bug of RuntimeError: a leaf Variable that requires grad is being used in an in-place operation, detail can be seen at this issue

[ShuAiii]

@unixpickle is this ready to be merged? I'm running into the same problem and creating a new detached tensor seem to fix the issue.

[nicolgo]

Hi @ShuAiii ,
Using detach is enough, I have tested the fix and reproduced the project successfully.

[LinjieFu-U]

Hi @ShuAiii , Using detach is enough, I have tested the fix and reproduced the project successfully.

hi,I meet the same issue, how to solve it, can you give me a example,thanks

[nicolgo]

Hi @ShuAiii , Using detach is enough, I have tested the fix and reproduced the project successfully.

hi,I meet the same issue, how to solve it, can you give me a example,thanks

Hi @flj19951219 , you can check my commit in this pull request, I just change one line code.

[AlterWW14]

Thanks for resolving it