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
429685866,MDU6SXNzdWU0Mjk2ODU4NjY=,2869,xarray.concat docstring confuses PyCharm type detection,47244312,closed,0,,,5,2019-04-05T10:24:11Z,2019-04-10T21:53:45Z,2019-04-10T18:41:50Z,CONTRIBUTOR,,,,"PyCharm inspects docstrings to figure out the return type of functions. In the case of xarray.concat(), it believes it is 'type'; this causes it to prominently highlight the user code as an error:

![pycharm](https://user-images.githubusercontent.com/47244312/55621389-415f0280-5795-11e9-9882-ae158f5ca5a2.png)
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