issue_comments: 485523566

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https://github.com/pydata/xarray/issues/2710#issuecomment-485523566 https://api.github.com/repos/pydata/xarray/issues/2710 485523566 MDEyOklzc3VlQ29tbWVudDQ4NTUyMzU2Ng== 19350183 2019-04-22T19:29:56Z 2019-04-22T19:29:56Z NONE

Unfortunately this most recent change has broken my workflow. I was using expand_dims to add a named dimension back onto a DataArray, when the dimension had been previously removed with the sel method. I realize this may not be the best way of doing things, but I wanted to point out that there is a loss of functionality here.

python import xarray as xr da = xr.DataArray([0,1,2], dims=['dim1'], coords={'dim1':['a','b','c']}) print(da.dims) # returns ('dim1',) da = da.sel({'dim1':'a'}) print(da.dims) # returns () da = da.expand_dims(da.coords) # fails in 0.12.1 print(da.dims) # returns ('dim1',) in 0.12.0

 
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