From 60a64d6812e5d3c3bf4291081e3db9dc6acf996c Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 4 Sep 2014 17:29:52 +0200
Subject: Issue #21951: Fix AsObj() of the _tkinter module: raise MemoryError
 on memory allocation failure

---
 Modules/_tkinter.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 0717594..4df45ad 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -913,8 +913,10 @@ AsObj(PyObject *value)
             return NULL;
         }
         argv = (Tcl_Obj **) ckalloc(((size_t)size) * sizeof(Tcl_Obj *));
-        if(!argv)
-          return 0;
+        if(!argv) {
+          PyErr_NoMemory();
+          return NULL;
+        }
         for (i = 0; i < size; i++)
           argv[i] = AsObj(PySequence_Fast_GET_ITEM(value,i));
         result = Tcl_NewListObj(size, argv);
-- 
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