issues: 59287686

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
59287686 MDU6SXNzdWU1OTI4NzY4Ng== 342 Aggregations on datasets drop data variables with dtype=bool 1217238 closed 0   799013 0 2015-02-27T20:12:21Z 2015-03-02T18:14:11Z 2015-03-02T18:14:11Z MEMBER      

```

xray.Dataset({'x': 1}).isnull().sum() <xray.Dataset> Dimensions: () Coordinates: empty Data variables: empty ```

This is a bug.

 
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   completed 13221727 issue

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