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," - [X] Closes #3657 - [X] Tests added - [X] Passes `black . && mypy . && flake8` ","{""url"": ""https://api.github.com/repos/pydata/xarray/issues/3658/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,,13221727,pull