Bug#1050832: sarsen: autopkgtest needs update for python-xarray 2023.08.0

[Graham Inggs]

Source: sarsen
Version: 0.9.3+ds-2
User: debian-ci at lists.debian.org
Usertags: needs-update

Hi Maintainer

Since the upload of python-xarray 2023.08.0-1, the autopkgtests of
sarsen are failing [1].  I've copied what I hope is the relevant part
of the log below.

Regards
Graham


[1] https://ci.debian.net/packages/s/sarsen/testing/amd64/


 54s =================================== FAILURES
===================================
 54s ________________________ test_compute_dem_oriented_area
________________________
 54s
 54s dem_raster = <xarray.DataArray 'dem' (y: 360, x: 360)>
 54s [129600 values with dtype=float32]
 54s Coordinates:
 54s   * x            (x) float64....05
 54s     spatial_ref  int64 ...
 54s Attributes:
 54s     AREA_OR_POINT:  Area
 54s     units:          m
 54s     long_name:      elevation
 54s
 54s     def test_compute_dem_oriented_area(dem_raster: xr.DataArray) -> None:
 54s         dem_3d = scene.convert_to_dem_3d(dem_raster)
 54s
 54s >       res = scene.compute_dem_oriented_area(dem_3d)
 54s
 54s ../build.cju/src/tests/test_10_scene.py:39:
 54s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _
 54s /usr/lib/python3/dist-packages/sarsen/scene.py:110: in
compute_dem_oriented_area
 54s     cross_2 = xr.cross(dx2, dy2, dim="axis") / 2
 54s /usr/lib/python3/dist-packages/xarray/core/computation.py:1609: in cross
 54s     c = apply_ufunc(
 54s /usr/lib/python3/dist-packages/xarray/core/computation.py:1197:
in apply_ufunc
 54s     return apply_dataarray_vfunc(
 54s /usr/lib/python3/dist-packages/xarray/core/computation.py:288: in
apply_dataarray_vfunc
 54s     args = deep_align(
 54s /usr/lib/python3/dist-packages/xarray/core/alignment.py:847: in deep_align
 54s     aligned = align(
 54s /usr/lib/python3/dist-packages/xarray/core/alignment.py:783: in align
 54s     aligner.align()
 54s /usr/lib/python3/dist-packages/xarray/core/alignment.py:568: in align
 54s     self.align_indexes()
 54s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _
 54s
 54s self = <xarray.core.alignment.Aligner object at 0x7f5400650cd0>
 54s
 54s     def align_indexes(self) -> None:
 54s         """Compute all aligned indexes and their corresponding
coordinate variables."""
 54s
 54s         aligned_indexes = {}
 54s         aligned_index_vars = {}
 54s         reindex = {}
 54s         new_indexes = {}
 54s         new_index_vars = {}
 54s
 54s         for key, matching_indexes in self.all_indexes.items():
 54s             matching_index_vars = self.all_index_vars[key]
 54s             dims = {d for coord in
matching_index_vars[0].values() for d in coord.dims}
 54s             index_cls = key[1]
 54s
 54s             if self.join == "override":
 54s                 joined_index = matching_indexes[0]
 54s                 joined_index_vars = matching_index_vars[0]
 54s                 need_reindex = False
 54s             elif key in self.indexes:
 54s                 joined_index = self.indexes[key]
 54s                 joined_index_vars = self.index_vars[key]
 54s                 cmp_indexes = list(
 54s                     zip(
 54s                         [joined_index] + matching_indexes,
 54s                         [joined_index_vars] + matching_index_vars,
 54s                     )
 54s                 )
 54s                 need_reindex = self._need_reindex(dims, cmp_indexes)
 54s             else:
 54s                 if len(matching_indexes) > 1:
 54s                     need_reindex = self._need_reindex(
 54s                         dims,
 54s                         list(zip(matching_indexes, matching_index_vars)),
 54s                     )
 54s                 else:
 54s                     need_reindex = False
 54s                 if need_reindex:
 54s                     if self.join == "exact":
 54s >                       raise ValueError(
 54s                             "cannot align objects with join='exact' where "
 54s                             "index/labels/sizes are not equal along "
 54s                             "these coordinates (dimensions): "
 54s                             + ", ".join(f"{name!r} {dims!r}" for
name, dims in key[0])
 54s                         )
 54s E                       ValueError: cannot align objects with
join='exact' where index/labels/sizes are not equal along these
coordinates (dimensions): 'x' ('x',)
 54s
 54s /usr/lib/python3/dist-packages/xarray/core/alignment.py:415: ValueError