Update utils.jl

JuliaML · Jan 3, 2025 · e3971bd · e3971bd
1 parent 204b958
commit e3971bd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/utils.jl b/src/utils.jl
@@ -237,7 +237,8 @@ end
 @non_differentiable _partition_idxs(::Any...)
 
 # Similar to ∇eachslice  https://github.com/JuliaDiff/ChainRules.jl/blob/8108a77a96af5d4b0c460aac393e44f8943f3c5e/src/rulesets/Base/indexing.jl#L77
-function ∇chunk(dys, x, idxs, vd::Val{dim}) where {dim}
+function ∇chunk(dys_raw, x, idxs, vd::Val{dim}) where {dim}
+    dys = unthunk.(unthunk(dys_raw))  # https://github.com/FluxML/Zygote.jl/pull/966#issuecomment-2569227272
     i1 = findfirst(dy -> !(dy isa AbstractZero), dys)
     if i1 === nothing  # all slices are Zero!
         return _zero_fill!(similar(x, float(eltype(x))))