html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue
https://github.com/pydata/xarray/issues/1314#issuecomment-464976969,https://api.github.com/repos/pydata/xarray/issues/1314,464976969,MDEyOklzc3VlQ29tbWVudDQ2NDk3Njk2OQ==,1217238,2019-02-19T04:23:14Z,2019-02-19T04:23:14Z,MEMBER,"This was implemented:
```
In [3]: np.array(xarray.Dataset())
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-3-fe99c847d2bc> in <module>()
----> 1 np.array(xarray.Dataset())

~/dev/xarray/xarray/core/dataset.py in __array__(self, dtype)
   1030
   1031     def __array__(self, dtype=None):
-> 1032         raise TypeError('cannot directly convert an xarray.Dataset into a '
   1033                         'numpy array. Instead, create an xarray.DataArray '
   1034                         'first, either with indexing on the Dataset or by '

TypeError: cannot directly convert an xarray.Dataset into a numpy array. Instead, create an xarray.DataArray first, either with indexing on the Dataset or by invoking the `to_array()` method.
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