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Fix bug in PythonFallBack (#85795)

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Summary: Previously PythonCallBack fails to find interpreter to dispatch to when it encounters an op with OptionalTensorList parameter, this diff fixes that

Test Plan: CI

Differential Revision: D39881382

Pull Request resolved: https://github.com/pytorch/pytorch/pull/85795
Approved by: https://github.com/ezyang, https://github.com/bdhirsh
This commit is contained in:
Tugsbayasgalan (Tugsuu) Manlaibaatar 2022-09-29 19:16:17 +00:00 committed by PyTorch MergeBot
parent fe87ae692f
commit a9183c0f9e
1 changed files with 1 additions and 1 deletions
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2
aten/src/ATen/core/PythonFallbackKernel.cpp
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@ -73,7 +73,7 @@ void pythonFallback(const c10::OperatorHandle& op, torch::jit::Stack* stack) {
(*interpreter)->dispatch(op, stack);
return;
}
} else if (ivalue.isTensorList()) {
} else if (ivalue.isTensorList() || (ivalue.isOptionalTensorList() && !ivalue.isNone())) {
// NB: use toListRef as it doesn't induce refcount bumps (toTensorListRef
// is not a thing)
for (const auto& nv : ivalue.toListRef()) {