Merged revisions 83016 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r83016 | doug.hellmann | 2010-07-21 08:29:04 -0400 (Wed, 21 Jul 2010) | 1 line

  Apply patch from Ray Allen for issue 9296
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diff --git a/Modules/_json.c b/Modules/_json.c
index c965176..9a3708d 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -1454,7 +1454,7 @@
         }
         else {
             /* TODO: include repr of key */
-            PyErr_SetString(PyExc_ValueError, "keys must be a string");
+            PyErr_SetString(PyExc_TypeError, "keys must be a string");
             goto bail;
         }