issue_comments: 1263956728

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https://github.com/pydata/xarray/issues/7111#issuecomment-1263956728 https://api.github.com/repos/pydata/xarray/issues/7111 1263956728 IC_kwDOAMm_X85LVnL4 43316012 2022-09-30T19:45:57Z 2022-09-30T19:45:57Z COLLABORATOR

I basically copied the behavior of Dataset.copy which should already show this problem. In principle we are doing a new_attrs = copy.deepcopy(attrs).

I would claim that the new behavior is correct, but maybe other devs can confirm this.

Coming from netCDF, it does not really make sense to put complex objects in attrs, but I guess for in-memory only it works.

 
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