Fix generator exhaustion in combine_by_coords#11265
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SurfyPenguin wants to merge 2 commits intopydata:mainfrom
Open
Fix generator exhaustion in combine_by_coords#11265SurfyPenguin wants to merge 2 commits intopydata:mainfrom
combine_by_coords#11265SurfyPenguin wants to merge 2 commits intopydata:mainfrom
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`combine_by_coords` accepts `Iterable[Dataset | DataArray]`. When a generator is passed, it is exhausted by the `DataTree` isinstance check before `objs_are_unnamed_dataarrays` is assigned, causing subsequent iterations to yield nothing and returning an empty Dataset. Fix by materializing `data_objects` into a list.
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headtr1ck
approved these changes
Mar 26, 2026
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This pull request applies the suggested fix tracked in #10114 and fixes
combine_by_coordsreturning an empty Dataset when a generator is passed asdata_objects.whats-new.rst