[Python-checkins] buildbot failure in x86 XP-4 trunk

[buildbot at python.org]

The Buildbot has detected a new failure of x86 XP-4 trunk.
Full details are available at:
 http://www.python.org/dev/buildbot/all/x86%20XP-4%20trunk/builds/2249

Buildbot URL: http://www.python.org/dev/buildbot/all/

Buildslave for this Build: bolen-windows

Build Reason: 
Build Source Stamp: [branch trunk] HEAD
Blamelist: tarek.ziade

BUILD FAILED: failed test

Excerpt from the test logfile:
1 test failed:
    test_io

======================================================================
ERROR: test_seek_and_tell (test.test_io.CTextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\test\test_io.py", line 1883, in test_seek_and_tell
    test_seek_and_tell_with_data(input)
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\test\test_io.py", line 1861, in test_seek_and_tell_with_data
    f = self.open(support.TESTFN, encoding='test_decoder')
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\test\test_io.py", line 1394, in __init__
    codecs.IncrementalDecoder.__init__(self, errors)
AttributeError: 'NoneType' object has no attribute 'IncrementalDecoder'

======================================================================
ERROR: test_seek_and_tell (test.test_io.PyTextIOWrapperTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\test\test_io.py", line 1883, in test_seek_and_tell
    test_seek_and_tell_with_data(input)
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\test\test_io.py", line 1863, in test_seek_and_tell_with_data
    decoded = f.read()
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\_pyio.py", line 1802, in read
    decoder = self._decoder or self._get_decoder()
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\_pyio.py", line 1568, in _get_decoder
    decoder = make_decoder(self._errors)
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\test\test_io.py", line 1394, in __init__
    codecs.IncrementalDecoder.__init__(self, errors)
AttributeError: 'NoneType' object has no attribute 'IncrementalDecoder'

======================================================================
FAIL: test_invalid_operations (test.test_io.CIOTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\test\test_io.py", line 303, in test_invalid_operations
    self.assertRaises(IOError, fp.readline)
AssertionError: IOError not raised

======================================================================
FAIL: test_invalid_operations (test.test_io.PyIOTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "E:\cygwin\home\db3l\buildarea\trunk.bolen-windows\build\lib\test\test_io.py", line 303, in test_invalid_operations
    self.assertRaises(IOError, fp.readline)
AssertionError: IOError not raised

sincerely,
 -The Buildbot