---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
Cell In[7], line 2
1 # this Dataset wraps a bunch of virtual ManifestArray objects directly
----> 2 virtual_ds = xr.combine_nested(virtual_datasets, concat_dim=['time'])
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/combine.py:588, in combine_nested(datasets, concat_dim, compat, data_vars, coords, fill_value, join, combine_attrs)
585 concat_dim = [concat_dim]
587 # The IDs argument tells _nested_combine that datasets aren't yet sorted
--> 588 return _nested_combine(
589 datasets,
590 concat_dims=concat_dim,
591 compat=compat,
592 data_vars=data_vars,
593 coords=coords,
594 ids=False,
595 fill_value=fill_value,
596 join=join,
597 combine_attrs=combine_attrs,
598 )
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/combine.py:367, in _nested_combine(datasets, concat_dims, compat, data_vars, coords, ids, fill_value, join, combine_attrs)
364 _check_shape_tile_ids(combined_ids)
366 # Apply series of concatenate or merge operations along each dimension
--> 367 combined = _combine_nd(
368 combined_ids,
369 concat_dims,
370 compat=compat,
371 data_vars=data_vars,
372 coords=coords,
373 fill_value=fill_value,
374 join=join,
375 combine_attrs=combine_attrs,
376 )
377 return combined
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/combine.py:246, in _combine_nd(combined_ids, concat_dims, data_vars, coords, compat, fill_value, join, combine_attrs)
242 # Each iteration of this loop reduces the length of the tile_ids tuples
243 # by one. It always combines along the first dimension, removing the first
244 # element of the tuple
245 for concat_dim in concat_dims:
--> 246 combined_ids = _combine_all_along_first_dim(
247 combined_ids,
248 dim=concat_dim,
249 data_vars=data_vars,
250 coords=coords,
251 compat=compat,
252 fill_value=fill_value,
253 join=join,
254 combine_attrs=combine_attrs,
255 )
256 (combined_ds,) = combined_ids.values()
257 return combined_ds
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/combine.py:278, in _combine_all_along_first_dim(combined_ids, dim, data_vars, coords, compat, fill_value, join, combine_attrs)
276 combined_ids = dict(sorted(group))
277 datasets = combined_ids.values()
--> 278 new_combined_ids[new_id] = _combine_1d(
279 datasets, dim, compat, data_vars, coords, fill_value, join, combine_attrs
280 )
281 return new_combined_ids
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/combine.py:301, in _combine_1d(datasets, concat_dim, compat, data_vars, coords, fill_value, join, combine_attrs)
299 if concat_dim is not None:
300 try:
--> 301 combined = concat(
302 datasets,
303 dim=concat_dim,
304 data_vars=data_vars,
305 coords=coords,
306 compat=compat,
307 fill_value=fill_value,
308 join=join,
309 combine_attrs=combine_attrs,
310 )
311 except ValueError as err:
312 if "encountered unexpected variable" in str(err):
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/concat.py:277, in concat(objs, dim, data_vars, coords, compat, positions, fill_value, join, combine_attrs, create_index_for_new_dim)
264 return _dataarray_concat(
265 objs,
266 dim=dim,
(...) 274 create_index_for_new_dim=create_index_for_new_dim,
275 )
276 elif isinstance(first_obj, Dataset):
--> 277 return _dataset_concat(
278 objs,
279 dim=dim,
280 data_vars=data_vars,
281 coords=coords,
282 compat=compat,
283 positions=positions,
284 fill_value=fill_value,
285 join=join,
286 combine_attrs=combine_attrs,
287 create_index_for_new_dim=create_index_for_new_dim,
288 )
289 else:
290 raise TypeError(
291 "can only concatenate xarray Dataset and DataArray "
292 f"objects, got {type(first_obj)}"
293 )
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/concat.py:516, in _dataset_concat(datasets, dim, data_vars, coords, compat, positions, fill_value, join, combine_attrs, create_index_for_new_dim)
513 # Make sure we're working on a copy (we'll be loading variables)
514 datasets = [ds.copy() for ds in datasets]
515 datasets = list(
--> 516 align(
517 *datasets, join=join, copy=False, exclude=[dim_name], fill_value=fill_value
518 )
519 )
521 dim_coords, dims_sizes, coord_names, data_names, vars_order = _parse_datasets(
522 datasets
523 )
524 dim_names = set(dim_coords)
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/alignment.py:883, in align(join, copy, indexes, exclude, fill_value, *objects)
687 """
688 Given any number of Dataset and/or DataArray objects, returns new
689 objects with aligned indexes and dimension sizes.
(...) 873
874 """
875 aligner = Aligner(
876 objects,
877 join=join,
(...) 881 fill_value=fill_value,
882 )
--> 883 aligner.align()
884 return aligner.results
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/alignment.py:576, in Aligner.align(self)
574 self.assert_no_index_conflict()
575 self.align_indexes()
--> 576 self.assert_unindexed_dim_sizes_equal()
578 if self.join == "override":
579 self.override_indexes()
File /home/datawork-marc/ENVS/pangeo2025/lib/python3.13/site-packages/xarray/structure/alignment.py:477, in Aligner.assert_unindexed_dim_sizes_equal(self)
475 add_err_msg = ""
476 if len(sizes) > 1:
--> 477 raise ValueError(
478 f"cannot reindex or align along dimension {dim!r} "
479 f"because of conflicting dimension sizes: {sizes!r}" + add_err_msg
480 )
ValueError: cannot reindex or align along dimension 'time_counter' because of conflicting dimension sizes: {744, 672, 720}