diff -r d499189e7758 Modules/pyexpat.c
--- a/Modules/pyexpat.c	Fri Apr 19 22:38:58 2013 -0400
+++ b/Modules/pyexpat.c	Sat Apr 20 09:59:10 2013 -0400
@@ -8,8 +8,6 @@
 
 #define XML_COMBINED_VERSION (10000*XML_MAJOR_VERSION+100*XML_MINOR_VERSION+XML_MICRO_VERSION)
 
-#define FIX_TRACE
-
 enum HandlerTypes {
     StartElement,
     EndElement,
@@ -217,66 +215,6 @@
     return handler_info[slot].tb_code;
 }
 
-#ifdef FIX_TRACE
-static int
-trace_frame(PyThreadState *tstate, PyFrameObject *f, int code, PyObject *val)
-{
-    int result = 0;
-    if (!tstate->use_tracing || tstate->tracing)
-        return 0;
-    if (tstate->c_profilefunc != NULL) {
-        tstate->tracing++;
-        result = tstate->c_profilefunc(tstate->c_profileobj,
-                                       f, code , val);
-        tstate->use_tracing = ((tstate->c_tracefunc != NULL)
-                               || (tstate->c_profilefunc != NULL));
-        tstate->tracing--;
-        if (result)
-            return result;
-    }
-    if (tstate->c_tracefunc != NULL) {
-        tstate->tracing++;
-        result = tstate->c_tracefunc(tstate->c_traceobj,
-                                     f, code , val);
-        tstate->use_tracing = ((tstate->c_tracefunc != NULL)
-                               || (tstate->c_profilefunc != NULL));
-        tstate->tracing--;
-    }
-    return result;
-}
-
-static int
-trace_frame_exc(PyThreadState *tstate, PyFrameObject *f)
-{
-    PyObject *type, *value, *traceback, *arg;
-    int err;
-
-    if (tstate->c_tracefunc == NULL)
-        return 0;
-
-    PyErr_Fetch(&type, &value, &traceback);
-    if (value == NULL) {
-        value = Py_None;
-        Py_INCREF(value);
-    }
-    arg = PyTuple_Pack(3, type, value, traceback);
-    if (arg == NULL) {
-        PyErr_Restore(type, value, traceback);
-        return 0;
-    }
-    err = trace_frame(tstate, f, PyTrace_EXCEPTION, arg);
-    Py_DECREF(arg);
-    if (err == 0)
-        PyErr_Restore(type, value, traceback);
-    else {
-        Py_XDECREF(type);
-        Py_XDECREF(value);
-        Py_XDECREF(traceback);
-    }
-    return err;
-}
-#endif
-
 static PyObject*
 call_with_frame(PyCodeObject *c, PyObject* func, PyObject* args,
                 xmlparseobject *self)
@@ -292,30 +230,12 @@
     if (f == NULL)
         return NULL;
     tstate->frame = f;
-#ifdef FIX_TRACE
-    if (trace_frame(tstate, f, PyTrace_CALL, Py_None) < 0) {
-        return NULL;
-    }
-#endif
     res = PyEval_CallObject(func, args);
     if (res == NULL) {
         if (tstate->curexc_traceback == NULL)
             PyTraceBack_Here(f);
         XML_StopParser(self->itself, XML_FALSE);
-#ifdef FIX_TRACE
-        if (trace_frame_exc(tstate, f) < 0) {
-            return NULL;
-        }
     }
-    else {
-        if (trace_frame(tstate, f, PyTrace_RETURN, res) < 0) {
-            Py_XDECREF(res);
-            res = NULL;
-        }
-    }
-#else
-    }
-#endif
     tstate->frame = f->f_back;
     Py_DECREF(f);
     return res;