[Debian-pan-maintainers] Bug#1004509: pyfai: autopkgtest regression on armhf: images have different dimensions

[Paul Gevers]

Source: pyfai
Version: 0.21.0+dfsg1-1
X-Debbugs-CC: debian-ci at lists.debian.org
Severity: serious
User: debian-ci at lists.debian.org
Usertags: regression

Dear maintainer(s),

With a recent upload of pyfai the autopkgtest of pyfai fails in testing 
when that autopkgtest is run with the binary packages of pyfai from 
unstable. It passes when run with only packages from testing. In tabular 
form:

                        pass            fail
pyfai                  from testing    0.21.0+dfsg1-1
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration to testing [1]. Can 
you please investigate the situation and fix it?

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=pyfai

https://ci.debian.net/data/autopkgtest/testing/armhf/p/pyfai/18797397/log.gz

======================================================================
FAIL: test_count_csr (pyFAI.test.test_histogram.TestHistogram2d)
Test that the pixel count and the total intensity is conserved
----------------------------------------------------------------------
Traceback (most recent call last):
   File "/usr/lib/python3/dist-packages/pyFAI/test/test_histogram.py", 
line 337, in test_count_csr
     self.assertTrue(delta == 0, msg="check all pixels were counted")
AssertionError: False is not true : check all pixels were counted

======================================================================
FAIL: test_numpy_vs_cython_vs_csr_2d 
(pyFAI.test.test_histogram.TestHistogram2d)
Compare numpy histogram with cython simple implementation
----------------------------------------------------------------------
Traceback (most recent call last):
   File "/usr/lib/python3/dist-packages/pyFAI/test/test_histogram.py", 
line 370, in test_numpy_vs_cython_vs_csr_2d
     self.assertTrue(delta_max <= self.err_max_cnt, "pixel count 
difference numpy/csr : max delta=%s" % delta_max)
AssertionError: False is not true : pixel count difference numpy/csr : 
max delta=8.0

======================================================================
FAIL: test_2d_nosplit (pyFAI.test.test_csr.TestCSR)
----------------------------------------------------------------------
Traceback (most recent call last):
   File "/usr/lib/python3/dist-packages/pyFAI/test/test_csr.py", line 
193, in test_2d_nosplit
     self.assertLess(error.mean(), 1e-3, "img are almost the same")
AssertionError: 244.15215998872887 not less than 0.001 : img are almost 
the same

----------------------------------------------------------------------
Ran 375 tests in 138.562s

FAILED (failures=3, skipped=9)
60
44
23
autopkgtest [08:17:51]: test command1

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