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
381633612,MDExOlB1bGxSZXF1ZXN0MjMxNTU2ODM5,2557,add missing comma and article in error message,500246,closed,0,,,2,2018-11-16T14:59:02Z,2018-11-16T16:40:03Z,2018-11-16T16:40:03Z,CONTRIBUTOR,,0,pydata/xarray/pulls/2557,"Add missing comma and article in error message when attribute values have the wrong type.

I tihnk this change is sufficiently minor that no documentation or whatsnew changes should be necessary.
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