[Numpy-discussion] Possible test failure on Debian 6 with Python 2.6

[Ralf Gommers]

On Sun, Jul 15, 2012 at 11:00 PM, Chris Ball <s0454615 at sms.ed.ac.uk> wrote:

> Hi,
>
> I'm trying to set up various build machines. Some of these are with
> ShiningPanda.com, which provides a 64-bit Debian 6 machine (as well as
> Windows
> 7). This machine has multiple versions of Python installed.
>
> Using the build procedure below, I see a test failure with Python 2.6 (and
> 2.7)
> but not 2.5 (and 2.4). Any ideas? I guess other people are testing on
> Debian 6,
> and if they don't see the test failure with Python 2.6 maybe there's
> something
> unusual about the setup of this machine.
>
> Build procedure:
>
> $ python setup.py build install --prefix=./numpy-install
> $ cd numpy-install
> $ export PYTHONPATH=/path/to/numpy-install/lib/python2.6/site-packages
> $ python ../tools/test-installed-numpy.py --coverage -- --with-xunit
>
> Test error:
>
> ======================================================================
> ERROR: test_multiarray.TestNewBufferProtocol.test_roundtrip
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File
>
> "/home/slave/jenkins/shiningpanda/jobs/51551925/virtualenvs/d41d8cd9/lib/python2
> .6/site-packages/nose/case.py", line 197, in runTest
>     self.test(*self.arg)
>   File "/home/slave/jenkins/workspace/NumPy-Debian6_x64-py26/numpy-
> install/lib/python2.6/site-packages/numpy/core/tests/test_multiarray.py",
> line
> 2537, in test_roundtrip
>     assert_raises(ValueError, self._check_roundtrip, x)
>   File "/home/slave/jenkins/workspace/NumPy-Debian6_x64-py26/numpy-
> install/lib/python2.6/site-packages/numpy/testing/utils.py", line 1018, in
> assert_raises
>     return nose.tools.assert_raises(*args,**kwargs)
>   File "/sp/lib/python/cpython-2.6/lib/python2.6/unittest.py", line 336, in
> failUnlessRaises
>     callableObj(*args, **kwargs)
>   File "/home/slave/jenkins/workspace/NumPy-Debian6_x64-py26/numpy-
> install/lib/python2.6/site-packages/numpy/core/tests/test_multiarray.py",
> line
> 2471, in _check_roundtrip
>     y = np.asarray(x)
> RuntimeWarning: tp_compare didn't return -1 or -2 for exception
>
> Perhaps related to http://projects.scipy.org/numpy/ticket/1605

Was also an issue for pandas: https://github.com/pydata/pandas/issues/1546

Ralf



> [...]
>
> Ran 4781 tests in 68.179s
>
> FAILED (KNOWNFAIL=4, SKIP=6, errors=1)
>
>
> The full build and test output is here:
>
> https://jenkins.shiningpanda.com/scipy/job/NumPy-Debian6_x64-py26/8/consoleFull
>
> For comparison, with Python 2.5:
>
> https://jenkins.shiningpanda.com/scipy/job/NumPy-Debian6_x64-py25/9/consoleFull
>
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