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/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](https://github.com/pydata/xarray/blob/master/xarray/core/variable.py#L1422)).
(Our `IndexVariable` is not immutable...)

I think we should copy also `IndexVariable` not keeping the original reference.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,237807730