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/5230#issuecomment-828538649,https://api.github.com/repos/pydata/xarray/issues/5230,828538649,MDEyOklzc3VlQ29tbWVudDgyODUzODY0OQ==,57914115,2021-04-28T15:13:51Z,2021-04-28T15:14:16Z,CONTRIBUTOR,"Thank you for the comment @TomNicholas, if it can help i think this error comes from this particular line : https://github.com/pydata/xarray/blob/master/xarray/core/combine.py#L81 from a missing else statement. Indeed, the `concat_dims` is empty due to initialization and then raise the error. ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,869948050