Merged revisions 82628,82630 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r82628 | benjamin.peterson | 2010-07-07 13:44:05 -0500 (Wed, 07 Jul 2010) | 1 line

  this needn't be in the loop
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  r82630 | benjamin.peterson | 2010-07-07 13:54:59 -0500 (Wed, 07 Jul 2010) | 1 line

  don't ignore exceptions from PyObject_IsTrue
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