[Python] Fix format string bug (SF#1882220).

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10228 626c5289-ae23-0410-ae9c-e8d60b6d4f22

CHANGES.current

@@ -1,6 +1,9 @@
 Version 1.3.34 (in progress)
 ============================
 
+02/01/2008: olly
+	    [Python] Fix format string bug (SF#1882220).
+
 01/31/2008: wsfulton
             Additions to the %types directive. Now the conversion / casting code can be
             overridden to some custom code in the %types directive, like so:

Lib/python/pyerrors.swg

@@ -62,7 +62,7 @@ SWIG_Python_AddErrorMsg(const char* mesg)
     Py_DECREF(old_str);
     Py_DECREF(value);
   } else {
-    PyErr_Format(PyExc_RuntimeError, mesg);
+    PyErr_SetString(PyExc_RuntimeError, mesg);
   }
 }