With the latest py3k, some tests fail when run in debug mode:

- test_distutils fails with the following message:

FAILED (errors=1)
Traceback (most recent call last):
  File "Lib/test/test_distutils.py", line 17, in <module>
test_main()
  File "Lib/test/test_distutils.py", line 13, in test_main
test.support.run_unittest(distutils.tests.test_suite())
  File "/home/antoine/py3k/pristine/Lib/test/support.py", line 717, in
run_unittest
_run_suite(suite)
  File "/home/antoine/py3k/pristine/Lib/test/support.py", line 700, in
_run_suite
raise TestFailed(err)
test.support.TestFailed: Traceback (most recent call last):
  File
"/home/antoine/py3k/pristine/Lib/distutils/tests/test_build_ext.py",
line 48, in test_build_ext
    import xx
AttributeError: mro

- test_set crashes with the following message:

./python Lib/test/test_set.py 
test_add (__main__.TestSet) ... ok
test_and (__main__.TestSet) ... ok
test_badcmp (__main__.TestSet) ... ok
test_c_api (__main__.TestSet) ... Fatal Python error:
Objects/setobject.c:2429 object at 0xb797ce04 has negative ref count -1
Abandon