From 4c8803214724c7f9977494a3e2b54d7455e59c05 Mon Sep 17 00:00:00 2001
From: blueloveTH <blueloveTH@foxmail.com>
Date: Thu, 29 Jun 2023 19:35:29 +0800
Subject: [PATCH] fix https://github.com/blueloveTH/pocketpy/issues/101

---
 src/obj.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/obj.h b/src/obj.h
index 95435c8b..09054734 100644
--- a/src/obj.h
+++ b/src/obj.h
@@ -401,7 +401,11 @@ struct Py_<NativeFunc> final: PyObject {
     Py_(Type type, NativeFunc val): PyObject(type), _value(val) {
         enable_instance_dict();
     }
-    void _obj_gc_mark() override {}
+    void _obj_gc_mark() override {
+        if(_value.decl != nullptr){
+            _value.decl->_gc_mark();
+        }
+    }
 };
 
 template<>