From 105874844085bbace31ad99d1b02d4963a3ec515 Mon Sep 17 00:00:00 2001
From: Roelof van Dijk <3604013+roelofvandijk@users.noreply.github.com>
Date: Thu, 20 Nov 2025 18:12:15 +0100
Subject: [PATCH] torch backend: no aten.detach for torch 2.10 compat (#13381)

* this works, less cpp?

* simpler = better

* keep torch 2.9 working as well
---
 extra/torch_backend/backend.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/extra/torch_backend/backend.py b/extra/torch_backend/backend.py
index 31d4a8dd26..120782bbe1 100644
--- a/extra/torch_backend/backend.py
+++ b/extra/torch_backend/backend.py
@@ -71,12 +71,14 @@ view_ops = {
   "aten.transpose.int": Tensor.transpose,
   "aten.squeeze.dim": Tensor.squeeze,
   "aten.unsqueeze": Tensor.unsqueeze,
-  "aten.detach": Tensor.detach,
   "aten.select.int": lambda self, dim, idx: self[(slice(None),) * (dim%self.ndim) + (idx,)],
   "aten.permute": Tensor.permute,
   "aten.alias": lambda self: self,
   }
 
+# torch 2.10 handles this natively
+if tuple(map(int, torch.__version__.split('.')[:2])) < (2, 10): view_ops.update({"aten.detach": Tensor.detach})
+
 for k,v in view_ops.items(): torch.library.impl(k.replace("aten.", "aten::"), "privateuseone")(wrap_view_op(v))
 
 def _get_view_ops(view): return getattr(view, "_view_ops", [])