Fix type-safety of torch.nn.Module instances
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Summary: As laid out in pytorch/pytorch#81462 (comment) the change in pytorch/pytorch#104321 was not necessary and largely destroys the type-safety of `torch.nn.Module` instances. As far as I can see, the underlying issue of pytorch/pytorch#81462 in `torch.nn.parallel.DistributedDataParallel` has been fixed in the meantime by actually typing `register_comm_hook` correctly. The proper solution to issues like pytorch/pytorch#81462 is to give the underlying field/method a proper type annotation, then there should be no need to go for a "type system disabling `__getattr__`". (I'll probably be offline for a while, not able to react here...) cc H-Huang awgu kwen2501 wanchaol fegin fduwjj wz337 wconstab d4l3k c-p-i-o voznesenskym penguinwu EikanWang jgong5 Guobing-Chen XiaobingSuper zhuhaozhe blzheng wenzhe-nrv jiayisunx ipiszy yf225 chenyang78 kadeng muchulee8 ColinPeppler amjames desertfire chauhang aakhundov avikchaudhuri gmagogsfm zhxchen17 tugsbayasgalan angelayi suo ydwu4 XilunWu rec mrshenli pritamdamania87 zhaojuanmao satgera rohan-varma gqchen aazzolini osalpekar jiayisuse tianyu-l kiukchung lucasllc X-link: pytorch/pytorch#115074 Differential Revision: D52890934 Pulled By: ezyang
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This pull request was exported from Phabricator. Differential Revision: D52890934 |
Codecov ReportAll modified and coverable lines are covered by tests ✅
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## main #3074 +/- ##
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Hits 47396 47396
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Summary:
As laid out in pytorch/pytorch#81462 (comment) the change in pytorch/pytorch#104321 was not necessary and largely destroys the type-safety of
torch.nn.Moduleinstances.As far as I can see, the underlying issue of pytorch/pytorch#81462 in
torch.nn.parallel.DistributedDataParallelhas been fixed in the meantime by actually typingregister_comm_hookcorrectly.The proper solution to issues like pytorch/pytorch#81462 is to give the underlying field/method a proper type annotation, then there should be no need to go for a "type system disabling
__getattr__".(I'll probably be offline for a while, not able to react here...)
cc H-Huang awgu kwen2501 wanchaol fegin fduwjj wz337 wconstab d4l3k c-p-i-o voznesenskym penguinwu EikanWang jgong5 Guobing-Chen XiaobingSuper zhuhaozhe blzheng wenzhe-nrv jiayisunx ipiszy yf225 chenyang78 kadeng muchulee8 ColinPeppler amjames desertfire chauhang aakhundov avikchaudhuri gmagogsfm zhxchen17 tugsbayasgalan angelayi suo ydwu4 XilunWu rec mrshenli pritamdamania87 zhaojuanmao satgera rohan-varma gqchen aazzolini osalpekar jiayisuse tianyu-l kiukchung lucasllc
X-link: pytorch/pytorch#115074
Differential Revision: D52890934
Pulled By: ezyang