Fix the train.py RuntimeError:a view of a leaf Variable that requires grad is being used in an in-place operation when running... issue

[PigLogic-Cyber]

If you meet the same issue as I am, you can try as follow to fix it:

Works for me, good luck :-)

[naruarjun]

#17, I believe this is a better fix, and this was the final fix that was merged on YOLOv5

[PigLogic-Cyber]

Thx for your advice, and thx for your great job, I'll check out for myself. Sorry for posing a weird issue here, since I do not know much manner here in Github (｡･ω･)~