[Python-checkins] buildbot failure in i386 Ubuntu 3.0

[buildbot at python.org]

The Buildbot has detected a new failure of i386 Ubuntu 3.0.
Full details are available at:
 http://www.python.org/dev/buildbot/all/i386%20Ubuntu%203.0/builds/27

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

Buildslave for this Build: klose-ubuntu-i386

Build Reason: 
Build Source Stamp: [branch branches/release30-maint] HEAD
Blamelist: antoine.pitrou

BUILD FAILED: failed test

Excerpt from the test logfile:
1 test failed:
    test_wsgiref

======================================================================
ERROR: testEnviron (test.test_wsgiref.HandlerTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/pybot/buildarea/3.0.klose-ubuntu-i386/build/Lib/test/test_wsgiref.py", line 490, in testEnviron
  File "/home/pybot/buildarea/3.0.klose-ubuntu-i386/build/Lib/test/test_wsgiref.py", line 482, in checkOSEnviron
KeyError: 'NO_PROXY'

======================================================================
ERROR: testBytes (test.test_wsgiref.HeaderTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/pybot/buildarea/3.0.klose-ubuntu-i386/build/Lib/test/test_wsgiref.py", line 427, in testBytes
  File "/home/pybot/buildarea/3.0.klose-ubuntu-i386/build/Lib/wsgiref/headers.py", line 67, in __setitem__
    del self[name]
  File "/home/pybot/buildarea/3.0.klose-ubuntu-i386/build/Lib/wsgiref/headers.py", line 77, in __delitem__
    self._headers[:] = [kv for kv in self._headers if kv[0].lower() != name]
  File "/home/pybot/buildarea/3.0.klose-ubuntu-i386/build/Lib/wsgiref/headers.py", line 77, in <listcomp>
    self._headers[:] = [kv for kv in self._headers if kv[0].lower() != name]
BytesWarning: Comparison between bytes and string

make: *** [buildbottest] Error 1

sincerely,
 -The Buildbot