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/pull/4144#issuecomment-643303946,https://api.github.com/repos/pydata/xarray/issues/4144,643303946,MDEyOklzc3VlQ29tbWVudDY0MzMwMzk0Ng==,5635139,2020-06-12T14:34:01Z,2020-06-12T14:34:01Z,MEMBER,"Nice find @mathause ; I remember that discussion now.

As @nbren12 said, this doesn't go all the way given mypy's restrictions, but seems like a dominant improvement. 

Test failures are unrelated.

Thanks @nbren12 !","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,636611699