Merged revisions 61203-61204 via svnmerge from

Merged revisions 61203-61204 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r61203 | christian.heimes | 2008-03-03 13:40:17 +0100 (Mon, 03 Mar 2008) | 3 lines

  Initialized merge tracking via "svnmerge" with revisions "1-60195" from
  svn+ssh://pythondev@svn.python.org/python/branches/trunk-math
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  r61204 | christian.heimes | 2008-03-03 19:28:04 +0100 (Mon, 03 Mar 2008) | 1 line

  Since abc._Abstract was replaces by a new type flags the regression test suite fails. I've added a new function inspect.isabstract(). Is the mmethod fine or should I check if object is a instance of type or subclass of object, too?
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