Re: [matplotlib-devel] A new KNOWNFAIL, pcolormesh.png ?

[Benjamin Root]

On Mon, Jan 17, 2011 at 1:28 PM, Sandro Tosi <mo...@debian.org> wrote:

> Hi,
> I was playing with test suite and I noticed that :
>
> morph@zion:~/deb/build-area/matplotlib-1.0.1$
> PYTHONPATH=build/lib.linux-x86_64-2.6 python -c "import matplotlib as
> m ; m.test(verbosity=1)"
> /usr/lib/pymodules/python2.6/nose/plugins/manager.py:391: UserWarning:
> Module matplotlib was already imported from
>
> /home/morph/deb/build-area/matplotlib-1.0.1/build/lib.linux-x86_64-2.6/matplotlib/__init__.pyc,
> but /usr/lib/pymodules/python2.6 is being added to sys.path
>  import pkg_resources
>
> ..K........K..K..K..K..K..K..K..K..K..K..K..K..K..K..K..K..K..K..K..K..KE.K..K..K..K..K..K/home/morph/deb/build-area/matplotlib-1.0.1/build/lib.linux-x86_64-2.6/matplotlib/axes.py:2381:
> UserWarning: Attempting to set identical left==right results
> in singular transformations; automatically expanding.
> left=730139.0, right=730139.0
>  + 'left=%s, right=%s') % (left, right))
> ...K..KK..K..K.....K..K..K..K..K....K..K..K....K..K..K..K..K
> ======================================================================
> ERROR: matplotlib.tests.test_axes.test_pcolormesh
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File "/usr/lib/pymodules/python2.6/nose/case.py", line 183, in runTest
>    self.test(*self.arg)
>  File
> "/home/morph/deb/build-area/matplotlib-1.0.1/build/lib.linux-x86_64-2.6/matplotlib/testing/decorators.py",
> line 32, in failer
>    result = f(*args, **kwargs)
>  File
> "/home/morph/deb/build-area/matplotlib-1.0.1/build/lib.linux-x86_64-2.6/matplotlib/testing/decorators.py",
> line 126, in decorated_compare_images
>    '(RMS %(rms).3f)'%err)
> ImageComparisonFailure: images not close:
>
> /home/morph/deb/build-area/matplotlib-1.0.1/result_images/test_axes/pcolormesh.png
> vs.
> /home/morph/deb/build-area/matplotlib-1.0.1/result_images/test_axes/expected-pcolormesh.png
> (RMS 116.512)
>
> ----------------------------------------------------------------------
> Ran 150 tests in 107.607s
>
> FAILED (KNOWNFAIL=46, errors=1)
>
> Except for the UserWarning, there is an error in the suite: is someone
> else able to replicate it? is it another KNOWNFAIL?
>
> Cheers,
> --
> Sandro Tosi (aka morph, morpheus, matrixhasu)
> My website: http://matrixhasu.altervista.org/
> Me at Debian: http://wiki.debian.org/SandroTosi
>
>
I have seen this before, and I think it was discussed once before.
Visually, there is very little difference, but supposedly there is some sort
of issue with different PIL versions.  What version of PIL do you have?

Ben Root

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