From: Raymond Hettinger <python@rcn.com>
Date: Fri, 29 May 2009 22:11:22 +0000 (+0000)
Subject: Strengthen the guard.  The code doesn't work well with subclasses.
X-Git-Tag: v3.1rc1~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3ad05763a6d69a93e58dfef6cc9d84f14edbb29b;p=python

Strengthen the guard.  The code doesn't work well with subclasses.
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 47e0933174..7cc7037a80 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;