issue_comments: 484138447

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https://github.com/pydata/xarray/issues/2891#issuecomment-484138447 https://api.github.com/repos/pydata/xarray/issues/2891 484138447 MDEyOklzc3VlQ29tbWVudDQ4NDEzODQ0Nw== 14000880 2019-04-17T15:25:37Z 2019-04-17T15:25:37Z NONE

I am also affected in some code which used to work with earlier versions of xarray. In this case, I call ds.expand_dims('new_dim') on some dataset (not DataArray), e.g.: ``` ds = xr.Dataset({'testvar': (['x'], np.zeros(3))}) ds1 = ds.expand_dims('y').copy() ds1.testvar.data.flags

C_CONTIGUOUS : True F_CONTIGUOUS : True OWNDATA : False WRITEABLE : False ALIGNED : True WRITEBACKIFCOPY : False UPDATEIFCOPY : False `` The.copy()` workaround is not helping in this case, I am not sure how to fix this?

 
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