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
1386620667,PR_kwDOAMm_X84_oqjD,7086,Added test_deepcopy_nested_attrs() (#2835).,4447466,closed,0,,,1,2022-09-26T19:47:10Z,2022-09-28T21:03:32Z,2022-09-28T21:03:32Z,CONTRIBUTOR,,0,pydata/xarray/pulls/7086,"<!-- Feel free to remove check-list items aren't relevant to your change -->

- [x] Tests for #2835 in case of nested DataArray attrs.
- [x] Tests added
- [x] Documented in `whats-new.rst` ('internals' section).

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