[Debian-astro-maintainers] Bug#879482: yt FTBFS on 32bit: test failures

[Adrian Bunk]

Source: yt
Version: 3.4.0-2
Severity: serious

https://buildd.debian.org/status/package.php?p=yt

...
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ERROR: yt.utilities.lib.tests.test_alt_ray_tracers.test_cylindrical_ray_trace
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Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/<<PKGBUILDDIR>>/yt/utilities/lib/tests/test_alt_ray_tracers.py", line 65, in test_cylindrical_ray_trace
    t, s, rztheta, inds = cylindrical_ray_trace(p1, p2, left_grid, right_grid)
  File "yt/utilities/lib/alt_ray_tracers.pyx", line 204, in yt.utilities.lib.alt_ray_tracers.cylindrical_ray_trace
    tsect, tinds = ret[0], ret[1].astype('int64')
ValueError: Item size of buffer (8 bytes) does not match size of 'int_t' (4 bytes)

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ERROR: test_points_vr (yt.visualization.volume_rendering.tests.test_points.PointsVRTest)
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Traceback (most recent call last):
  File "/<<PKGBUILDDIR>>/yt/visualization/volume_rendering/tests/test_points.py", line 75, in test_points_vr
    im = sc.render()
  File "/<<PKGBUILDDIR>>/yt/visualization/volume_rendering/scene.py", line 229, in render
    bmp = self.composite(camera=camera)
  File "/<<PKGBUILDDIR>>/yt/visualization/volume_rendering/scene.py", line 529, in composite
    source.render(camera, zbuffer=opaque)
  File "/<<PKGBUILDDIR>>/yt/visualization/volume_rendering/render_source.py", line 893, in render
    zpoints(empty, z, px, py, dz, self.colors, self.radii, self.color_stride)
  File "yt/utilities/lib/misc_utilities.pyx", line 440, in yt.utilities.lib.misc_utilities.zpoints
    idx = np.argsort(zs)
ValueError: Buffer dtype mismatch, expected 'int64_t' but got 'int'

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Ran 1161 tests in 1361.004s

FAILED (errors=2)
debian/rules:37: recipe for target 'override_dh_auto_test' failed
make[1]: *** [override_dh_auto_test] Error 1