diff -r 736ad9629d53 Python/import.c
--- a/Python/import.c	Mon Jun 25 07:40:32 2012 +0200
+++ b/Python/import.c	Mon Jun 25 22:14:29 2012 +0200
@@ -8,6 +8,7 @@
 #include "errcode.h"
 #include "marshal.h"
 #include "code.h"
+#include "frameobject.h"
 #include "osdefs.h"
 #include "importdl.h"
 
@@ -1374,6 +1375,32 @@
 }
 
 
+/* Remove importlib frames from the traceback,
+ * except in Verbose mode. */
+static void
+remove_importlib_frames(void)
+{
+    PyObject *exception, *value, *tb;
+    PyErr_Fetch(&exception, &value, &tb);
+    if (exception && !Py_VerboseFlag) {
+        while (tb != NULL && PyTraceBack_Check(tb)) {
+            PyTracebackObject *traceback = (PyTracebackObject *)tb;
+            PyFrameObject *frame = traceback->tb_frame;
+            PyCodeObject *code = frame->f_code;
+            if (PyUnicode_CompareWithASCIIString(
+                    code->co_filename,
+                    "<frozen importlib._bootstrap>") != 0)
+                break;
+            PyObject *next = (PyObject *)traceback->tb_next;
+            Py_XINCREF(next);
+            Py_DECREF(tb);
+            tb = next;
+        }
+    }
+    PyErr_Restore(exception, value, tb);
+}
+
+
 PyObject *
 PyImport_ImportModuleLevelObject(PyObject *name, PyObject *given_globals,
                                  PyObject *locals, PyObject *given_fromlist,
@@ -1692,6 +1719,8 @@
     Py_XDECREF(package);
     Py_XDECREF(globals);
     Py_XDECREF(fromlist);
+    if (final_mod == NULL)
+	remove_importlib_frames();
     return final_mod;
 }