GNU bug report logs - #53211
Python-matplotlib under aarch64 broken

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From: Cayetano Santos <cayetano.santos <at> l2it.in2p3.fr>
To: 53211 <at> debbugs.gnu.org
Subject: bug#53211: Python-matplotlib under aarch64 broken
Date: Wed, 12 Jan 2022 16:43:14 +0100

Hello,

 When I do a

   guix build python-matplotlib

 under aarch64 I get the error below during the testing phase.

 Note that

   guix describe -f channels

 gives

   (list (channel
       (name 'guix)
       (url "https://git.savannah.gnu.org/git/guix.git")
       (branch "master")
       (commit
         "c7ef7a0f84bd19ef32e4cc5439ee4f332921eeb9")
       (introduction
         (make-channel-introduction
           "9edb3f66fd807b096b48283debdcddccfea34bad"
           (openpgp-fingerprint
             "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 
             54FA")))))

Thanks,

C.


=================================== FAILURES 
===================================
_________________________ test_warn_big_data_best_loc 
__________________________

   def test_warn_big_data_best_loc():
       fig, ax = plt.subplots()
       fig.canvas.draw()  # So that we can call draw_artist 
       later.
       for idx in range(1000):
           ax.plot(np.arange(5000), label=idx)
       with rc_context({'legend.loc': 'best'}):
           legend = ax.legend()
       with pytest.warns(UserWarning) as records:
>           fig.draw_artist(legend)  # Don't bother drawing the 
>           lines -- it's slow.
E           Failed: DID NOT WARN. No warnings of type (<class 
'UserWarning'>,) was emitted. The list of emitted warnings is: [].

/gnu/store/fqlbc7ny3kf5hqwpq46wxnvf5223prxi-python-matplotlib-3.4.3/lib/python3.9/site-packages/matplotlib/tests/test_legend.py:677: 
Failed
=========================== short test summary info 
============================
FAILED test_legend.py::test_warn_big_data_best_loc - Failed: DID 
NOT WARN. No...
==== 1 failed, 4905 passed, 2293 skipped, 1 deselected, 9 xfailed 
in 53.61s ====
error: in phase 'check': uncaught exception:
%exception #<&invoke-error program: "python" arguments: 
("tests.py" "-v" "-m" "not network and not webagg") exit-status: 
1 term-signal: #f stop-signal: #f>
phase `check' failed after 54.4 seconds
command "python" "tests.py" "-v" "-m" "not network and not webagg" 
failed with status 1
builder for 
`/gnu/store/6mf4z42cdg64kpzzhx9a1sjps3vhirrb-python-matplotlib-3.4.3.drv' 
failed with exit code 1

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