Merged revisions 78600-78601 via svnmerge from

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

........
  r78600 | benjamin.peterson | 2010-03-02 16:58:01 -0600 (Tue, 02 Mar 2010) | 1 line

  remove code to avoid BaseException.message bug
........
  r78601 | benjamin.peterson | 2010-03-02 17:02:02 -0600 (Tue, 02 Mar 2010) | 1 line

  remove cross-version compatibility code
........

Lib/test/test_argparse.py

@@ -22,30 +22,10 @@ import unittest
 import warnings
 import argparse
 
+from io import StringIO
+
 from test import support
 
-try:
-    from StringIO import StringIO
-except ImportError:
-    from io import StringIO
-
-try:
-    set
-except NameError:
-    from sets import Set as set
-
-try:
-    sorted
-except NameError:
-
-    def sorted(iterable, reverse=False):
-        result = list(iterable)
-        result.sort()
-        if reverse:
-            result.reverse()
-        return result
-
-
 class TestCase(unittest.TestCase):
 
     def assertEqual(self, obj1, obj2):
@@ -4183,12 +4163,6 @@ class TestImportStar(TestCase):
 
 def test_main():
     with warnings.catch_warnings():
-        # silence Python 2.6 buggy warnings about Exception.message
-        warnings.filterwarnings(
-            action='ignore',
-            message='BaseException.message has been deprecated as of'
-            'Python 2.6',
-            category=DeprecationWarning)
         # silence warnings about version argument - these are expected
         warnings.filterwarnings(
             action='ignore',