diff -r e3a734ff15b3 Lib/test/test_inspect.py
--- a/Lib/test/test_inspect.py  Mon Sep 30 15:24:48 2013 +0200
+++ b/Lib/test/test_inspect.py  Mon Sep 30 16:03:44 2013 +0200
@@ -12,7 +12,7 @@
 import importlib
 from os.path import normcase
 
-from test.support import run_unittest, TESTFN, DirsOnSysPath
+from test.support import import_module, run_unittest, TESTFN, DirsOnSysPath
 from test.script_helper import assert_python_ok, assert_python_failure
 from test import inspect_fodder as mod
 from test import inspect_fodder2 as mod2
@@ -2408,6 +2408,7 @@
         self.assertEqual(err, b'')
 
     def test_qualname_source(self):
+        import_module('_multiprocessing')
         module = importlib.import_module('concurrent.futures')
         member = getattr(module, 'ThreadPoolExecutor')
         rc, out, err = assert_python_ok('-m', 'inspect',