[Numpy-discussion] Failure in test_iterator.py at Travis

[Charles R Harris]

On Thu, Dec 13, 2012 at 8:04 PM, Charles R Harris <charlesr.harris at gmail.com
> wrote:

>
>
> On Thu, Dec 13, 2012 at 7:23 PM, Ondřej Čertík <ondrej.certik at gmail.com>wrote:
>
>> Hi,
>>
>> Another weird bug sometimes happen in
>> numpy/core/tests/test_iterator.py, it looks like this:
>>
>> ======================================================================
>> FAIL: test_iterator.test_iter_array_cast
>> ----------------------------------------------------------------------
>> Traceback (most recent call last):
>>   File
>> "/home/travis/virtualenv/python2.5/lib/python2.5/site-packages/nose/case.py",
>> line 197, in runTest
>>     self.test(*self.arg)
>>   File
>> "/home/travis/virtualenv/python2.5/lib/python2.5/site-packages/numpy/core/tests/test_iterator.py",
>> line 836, in test_iter_array_cast
>>     assert_equal(i.operands[0].strides, (-96,8,-32))
>>   File
>> "/home/travis/virtualenv/python2.5/lib/python2.5/site-packages/numpy/testing/utils.py",
>> line 252, in assert_equal
>>     assert_equal(actual[k], desired[k], 'item=%r\n%s' % (k,err_msg),
>> verbose)
>>   File
>> "/home/travis/virtualenv/python2.5/lib/python2.5/site-packages/numpy/testing/utils.py",
>> line 314, in assert_equal
>>     raise AssertionError(msg)
>> AssertionError:
>> Items are not equal:
>> item=0
>>
>>  ACTUAL: 96
>>  DESIRED: -96
>>
>> ----------------------------------------------------------------------
>>
>>
>> But the problem is that there is no numpy/core/tests/test_iterator.py
>> file in current branches.... This error was triggered for example by
>> these PRs:
>>
>> https://github.com/numpy/numpy/pull/2765
>> https://github.com/numpy/numpy/pull/2815
>>
>> and here are links to the failing Travis tests:
>>
>> https://travis-ci.org/certik/numpy/builds/3656959
>> https://travis-ci.org/numpy/numpy/builds/3330234
>>
>>
>> Any idea what is happening here and how to fix it?
>>
>>
> That should have been fixed by Nathaniel's travis fix. Hmm...
>
>
And a quick check here shows pip not removing a previous 1.6.2 install.
Maybe it is a pip version problem, pip 1.0.2 here.

Chuck
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