Issue #28003: Fix a compiler warning
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 3a02ae9..44191fc 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1422,7 +1422,7 @@
set_coroutine_wrapper_doc},
{"get_coroutine_wrapper", sys_get_coroutine_wrapper, METH_NOARGS,
get_coroutine_wrapper_doc},
- {"set_asyncgen_hooks", sys_set_asyncgen_hooks,
+ {"set_asyncgen_hooks", (PyCFunction)sys_set_asyncgen_hooks,
METH_VARARGS | METH_KEYWORDS, set_asyncgen_hooks_doc},
{"get_asyncgen_hooks", sys_get_asyncgen_hooks, METH_NOARGS,
get_asyncgen_hooks_doc},