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Anonymous committed 1a521c0

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

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Files changed (1)

Objects/unicodeobject.c

         }
     } 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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