Merged revisions 80544 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r80544 | benjamin.peterson | 2010-04-27 16:01:54 -0500 (Tue, 27 Apr 2010) | 1 line

  reject None as the buffering argument like the C implementation does #8546
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3 files changed