From 3caf4de6f05f68c3a175f4d8ce870d7a0016622a Mon Sep 17 00:00:00 2001
From: Pablo Galindo <Pablogsal@gmail.com>
Date: Sun, 2 Jun 2019 21:52:49 +0100
Subject: Call PyObject_GC_UnTrack in structseq dealloc (GH-13751)

---
 Objects/structseq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Objects/structseq.c b/Objects/structseq.c
index 3d857f7..2c25e16 100644
--- a/Objects/structseq.c
+++ b/Objects/structseq.c
@@ -77,6 +77,7 @@ structseq_dealloc(PyStructSequence *obj)
 {
     Py_ssize_t i, size;
     PyTypeObject *tp;
+    PyObject_GC_UnTrack(obj);
 
     tp = (PyTypeObject *) Py_TYPE(obj);
     size = REAL_SIZE(obj);
-- 
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