From 99f11b48cd66fafb65773d41a77a0a011ad04a96 Mon Sep 17 00:00:00 2001
From: Zachary Ware <zachary.ware@gmail.com>
Date: Tue, 4 Oct 2016 01:20:21 -0500
Subject: Closes #21124, #28337: Call PyType_Ready on unpackiter_type.

Patch by Masayuki Yamamoto.
---
 Modules/_struct.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Modules/_struct.c b/Modules/_struct.c
index 9d48691..1d7a935 100644
--- a/Modules/_struct.c
+++ b/Modules/_struct.c
@@ -2301,6 +2301,9 @@ PyInit__struct(void)
     if (PyType_Ready(&PyStructType) < 0)
         return NULL;
 
+    if (PyType_Ready(&unpackiter_type) < 0)
+        return NULL;
+
     /* Check endian and swap in faster functions */
     {
         const formatdef *native = native_table;
-- 
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