Blocked revisions 77811-77812 via svnmerge

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  r77811 | benjamin.peterson | 2010-01-27 20:15:02 -0600 (Wed, 27 Jan 2010) | 1 line

  an -> a
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  r77812 | benjamin.peterson | 2010-01-27 20:18:25 -0600 (Wed, 27 Jan 2010) | 1 line

  avoid a py3k warning from __hash__
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