From 583fa8be1fbc484283b45d8dab444f596076c750 Mon Sep 17 00:00:00 2001
From: Jonathan Helmus <jjhelmus@gmail.com>
Date: Thu, 1 Aug 2024 15:03:52 -0500
Subject: [PATCH] add free threading support to complex.extension

Add support for the experimental free-threading Python version in the
complex.extension module.

closes #654
---
 tests/packages/complex/extension.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tests/packages/complex/extension.c b/tests/packages/complex/extension.c
index 827318a79..d4b32a286 100644
--- a/tests/packages/complex/extension.c
+++ b/tests/packages/complex/extension.c
@@ -22,5 +22,12 @@ static struct PyModuleDef module = {
 };
 
 PyMODINIT_FUNC PyInit_extension(void) {
-    return PyModule_Create(&module);
+    PyObject *m = PyModule_Create(&module);
+    if (m == NULL) {
+        return NULL;
+    }
+#ifdef Py_GIL_DISABLED
+    PyUnstable_Module_SetGIL(m, Py_MOD_GIL_NOT_USED);
+#endif
+    return m;
 }