Merged revisions 77071 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r77071 | mark.dickinson | 2009-12-27 21:31:50 +0000 (Sun, 27 Dec 2009) | 1 line

  Use a more idiomatic check in check_truediv.
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