importer: fix usage after PyTorch update #1555
Merged
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Unless requested otherwise, PyTorch no longer installs most of the
header files under the caffe2 directory (see
pytorch/pytorch#87986). This breaks our
importer code since we need to use the
MakeGuard()
function to executestatements in the event of exceptions.
To fix this issue, this patch implements a rudimentary version of
PyTorch's ScopeGuard, where once the class variable goes out of scope,
it executes a predefined method.