Oserror: [winerror 126] the specified module was not found. Pytoch couldn’t find caffe2_ detectron_ ops.dll

Pytorch installed but the import times can’t find the DLL errors, to look at the issue of
https://github.com/pytorch/pytorch/issues/35803

I finally solved is installed the vc + +
https://www.microsoft.com/en-us/download/details.aspx?id=48145

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