id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,active_lock_reason,draft,pull_request,body,reactions,performed_via_github_app,state_reason,repo,type
544371732,MDExOlB1bGxSZXF1ZXN0MzU4NDk4NTg2,3658,add multiindex level name checking to .rename(),14136435,closed,0,,,2,2020-01-01T15:51:54Z,2020-01-03T12:17:18Z,2020-01-03T12:16:45Z,CONTRIBUTOR,,0,pydata/xarray/pulls/3658,"<!-- Feel free to remove check-list items aren't relevant to your change -->

 - [X] Closes #3657
 - [X] Tests added
 - [X] Passes `black . && mypy . && flake8`

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