diff -r 6d278f426417 Lib/test/test_import.py
--- a/Lib/test/test_import.py	Fri Jul 05 18:05:29 2013 -1000
+++ b/Lib/test/test_import.py	Sat Jul 06 11:45:40 2013 +0200
@@ -1010,6 +1010,22 @@
         finally:
             importlib.SourceLoader.load_module = old_load_module
 
+    def test_import_bogus_message(self):
+        try:
+            from bogus import foo
+        except ImportError as e:
+            self.assertEqual(str(e), "No module named 'bogus'")
+        else:
+            self.fail("ImportError should have been raised")
+
+    def test_import_bogus_from_existing_module_message(self):
+        try:
+            from re import bogus
+        except ImportError as e:
+            self.assertEqual(str(e), "cannot import name 'bogus'")
+        else:
+            self.fail("ImportError should have been raised")
+
 
 if __name__ == '__main__':
     # Test needs to be a package, so we can do relative imports.
diff -r 6d278f426417 Python/ceval.c
--- a/Python/ceval.c	Fri Jul 05 18:05:29 2013 -1000
+++ b/Python/ceval.c	Sat Jul 06 11:45:40 2013 +0200
@@ -4588,7 +4588,7 @@
 
     x = PyObject_GetAttr(v, name);
     if (x == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-        PyErr_Format(PyExc_ImportError, "cannot import name %S", name);
+        PyErr_Format(PyExc_ImportError, "cannot import name %R", name);
     }
     return x;
 }