From 3ad05763a6d69a93e58dfef6cc9d84f14edbb29b Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Fri, 29 May 2009 22:11:22 +0000
Subject: Strengthen the guard.  The code doesn't work well with subclasses.

---
 Objects/unicodeobject.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 47e0933..7cc7037 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -8547,7 +8547,7 @@ unicode_maketrans(PyUnicodeObject *null, PyObject *args)
         }
     } else {
         /* x must be a dict */
-        if (!PyDict_Check(x)) {
+        if (!PyDict_CheckExact(x)) {
             PyErr_SetString(PyExc_TypeError, "if you give only one argument "
                             "to maketrans it must be a dict");
             goto err;
-- 
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