issue_comments: 340454702

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https://github.com/pydata/xarray/issues/1463#issuecomment-340454702 https://api.github.com/repos/pydata/xarray/issues/1463 340454702 MDEyOklzc3VlQ29tbWVudDM0MDQ1NDcwMg== 6815844 2017-10-30T14:08:08Z 2017-10-30T14:08:08Z MEMBER

We do not allow to assign value in IndexVariable as pandas.Index is immutable (assigning value raises a TypeError), but we can actually do this from .data attribute (this line). (Our IndexVariable is not immutable...)

I think we should copy also IndexVariable not keeping the original reference.

 
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