The test suite currently skips test_multiprocessing on Windows because it fails on finding _multiprocessing in several win32-specific blocks. Removing the relative import lets this through and allows the test to run (and pass).
svn+ssh://pythondev@svn.python.org/python/trunk ........ r64104 | benjamin.peterson | 2008-06-10 21:40:25 -0500 (Tue, 10 Jun 2008) | 2 lines add the multiprocessing package to fulfill PEP 371 ........ r64117 | benjamin.peterson | 2008-06-11 07:26:31 -0500 (Wed, 11 Jun 2008) | 2 lines fix import of multiprocessing by juggling imports ........