From bf623ae8843dc30b28c574bec8d29fc14be59d86 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Wed, 19 Apr 2017 20:03:52 +0300
Subject: bpo-30061: Check if
 PyObject_Size()/PySequence_Size()/PyMapping_Size() (#1096)

raised an error.

Replace them with using concrete types API that never fails if appropriate.
---
 Modules/cjkcodecs/multibytecodec.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Modules/cjkcodecs/multibytecodec.c')

diff --git a/Modules/cjkcodecs/multibytecodec.c b/Modules/cjkcodecs/multibytecodec.c
index 8a67da73248..22172b043bc 100644
--- a/Modules/cjkcodecs/multibytecodec.c
+++ b/Modules/cjkcodecs/multibytecodec.c
@@ -1670,6 +1670,9 @@ _multibytecodec_MultibyteStreamWriter_writelines(MultibyteStreamWriterObject *se
         if (r == -1)
             return NULL;
     }
+    /* PySequence_Length() can fail */
+    if (PyErr_Occurred())
+        return NULL;
 
     Py_RETURN_NONE;
 }
-- 
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