1 files changed, 2 insertions, 0 deletions
diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
index b367e10..f6c3a66 100644
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -633,6 +633,8 @@ typedef struct {
 static void
 ast_dealloc(AST_object *self)
 {
+    /* bpo-31095: UnTrack is needed before calling any callbacks */
+    PyObject_GC_UnTrack(self);
     Py_CLEAR(self->dict);
     Py_TYPE(self)->tp_free(self);
 }