issue_comments: 676632785

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https://github.com/pydata/xarray/pull/4237#issuecomment-676632785 https://api.github.com/repos/pydata/xarray/issues/4237 676632785 MDEyOklzc3VlQ29tbWVudDY3NjYzMjc4NQ== 1217238 2020-08-19T20:02:23Z 2020-08-19T20:02:23Z MEMBER

To fix that, I would manually apply duck_array_ops.fillna to data variables and coordinates and then reassemble the dataset (using _to_temp_dataset / _from_temp_dataset for DataArray), but since I don't really understand apply_ufunc, I'm not sure what that would break.

I think this would be a fine way to it, though it does feel rather complicated. Per variable fill-values doesn't quite fit the model of apply_ufunc when applied to entire Dataset/DataArray objects.

 
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