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/1081#issuecomment-258531525,https://api.github.com/repos/pydata/xarray/issues/1081,258531525,MDEyOklzc3VlQ29tbWVudDI1ODUzMTUyNQ==,6420873,2016-11-04T19:53:49Z,2016-11-04T19:53:49Z,NONE,"Thanks! I will check it. 
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https://github.com/pydata/xarray/issues/1081#issuecomment-258530348,https://api.github.com/repos/pydata/xarray/issues/1081,258530348,MDEyOklzc3VlQ29tbWVudDI1ODUzMDM0OA==,6420873,2016-11-04T19:48:20Z,2016-11-04T19:48:20Z,NONE,"Thanks, @shoyer 

I agree your methods works for 2d matrix, but for 3 or 4d matrix it fails. 
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