Merged revisions 76113-76114 via svnmerge from

Merged revisions 76113-76114 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r76113 | brett.cannon | 2009-11-04 17:17:22 -0800 (Wed, 04 Nov 2009) | 3 lines

  importlib.test.source.util referenced variables in the 'finally' part of a
  try/finally which may not have been set.
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  r76114 | brett.cannon | 2009-11-04 17:26:57 -0800 (Wed, 04 Nov 2009) | 6 lines

  Use tempfile.mkdtemp() instead of tempfile.tempdir for where importlib places
  source files for tests. Allows for concurrent execution of the tests by
  preventing various executions from trampling each other.

  Closes issue #7248.
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