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/2725#issuecomment-458633455,https://api.github.com/repos/pydata/xarray/issues/2725,458633455,MDEyOklzc3VlQ29tbWVudDQ1ODYzMzQ1NQ==,2448579,2019-01-29T17:35:15Z,2019-01-29T17:36:46Z,MEMBER,"Thanks @TomNicholas. Here's the diff that gets it working (minus error-checking & tests). I can't get to it until tonight so if you have the time to go ahead and send in a PR, please do so. EDIT: This needs to account for `x is None`, `y is None`. ![image](https://user-images.githubusercontent.com/2448579/51927707-09100200-23a9-11e9-882d-573307ea5203.png) ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,404383025