From fe02b0b6c56970725d7c144db5f4d33ccc558229 Mon Sep 17 00:00:00 2001
From: JamesWrigley <james@puiterwijk.org>
Date: Tue, 20 Oct 2026 11:28:12 +0200
Subject: [PATCH] Use @pyregion when loading Python objects from arrays

This branch calls incref(u) to increment the objects refcount, which without
@pyregion would be a data race if other threads accessed it at the same time.
---
 src/Wrap/PyArray.jl | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Wrap/PyArray.jl b/src/Wrap/PyArray.jl
index 64bb3176..86912e25 100644
--- a/src/Wrap/PyArray.jl
+++ b/src/Wrap/PyArray.jl
@@ -646,9 +646,11 @@ function pyarray_load(::Type{T}, p::Ptr{R}) where {T,R}
     if R == T
         unsafe_load(p)
     elseif R == C.PyPtr
-        u = unsafe_load(p)
-        o = u == C_NULL ? pynew(Py(nothing)) : pynew(incref(u))
-        T == Py ? o : pyconvert(T, o)
+        @pyregion begin
+            u = unsafe_load(p)
+            o = u == C_NULL ? pynew(Py(nothing)) : pynew(incref(u))
+            T == Py ? o : pyconvert(T, o)
+        end
     else
         convert(T, unsafe_load(p))
     end