This checkin appears to be causing a regression in the Windows buildbots.


http://buildbot.python.org/all/builders/AMD64%20Windows7%20SP1%203.x/builds/4040


test_streamreaderwriter (test.test_codecs.WithStmtTest) ... test test_codecs failed
ok

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ERROR: test_readline (test.test_codecs.CP65001Test)
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Traceback (most recent call last):
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_codecs.py", line 157, in test_readline
    self.assertEqual(readalllines("".join(vw), True), "|".join(vw))
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_codecs.py", line 136, in readalllines
    line = reader.readline(size=size, keepends=keepends)
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\codecs.py", line 548, in readline
    data = self.read(readsize, firstline=True)
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\codecs.py", line 494, in read
    newchars, decodedbytes = self.decode(data, self.errors)
UnicodeDecodeError: 'CP_UTF8' codec can't decode bytes in position 0--1: No mapping for the Unicode character exists in the target code page.

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Ran 206 tests in 5.912s