Mercurial > cpython-lru_cache-weakref

diff Python/ceval.c @ 77283:2285a82504dc

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check return for error
author Benjamin Peterson <benjamin@python.org>
date Fri, 01 Jun 2012 11:18:22 -0700
parents b0eb7d2a9542
children cfbf6aa5c9e3
line wrap: on
line diff
--- a/Python/ceval.c	Fri Jun 01 22:48:32 2012 +1000
+++ b/Python/ceval.c	Fri Jun 01 11:18:22 2012 -0700
@@ -3107,6 +3107,8 @@
         tail = PyUnicode_FromFormat(", %U, and %U",
                                     PyList_GET_ITEM(names, len - 2),
                                     PyList_GET_ITEM(names, len - 1));
+        if (tail == NULL)
+            return;
         /* Chop off the last two objects in the list. This shouldn't actually
            fail, but we can't be too careful. */
         err = PyList_SetSlice(names, len - 2, len, NULL);