Merged revisions 69473 via svnmerge from

svn+ssh://pythondev/python/trunk

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  r69473 | guilherme.polo | 2009-02-09 18:50:27 -0200 (Mon, 09 Feb 2009) | 3 lines

  Fixed issue #5122: Synchronize tk load failure check to prevent a
  potential deadlock.
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