issue_comments: 406094129

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https://github.com/pydata/xarray/issues/2299#issuecomment-406094129 https://api.github.com/repos/pydata/xarray/issues/2299 406094129 MDEyOklzc3VlQ29tbWVudDQwNjA5NDEyOQ== 6815844 2018-07-18T22:28:52Z 2018-07-18T22:29:36Z MEMBER

Thanks for raising an issue, with a reproduceable example. This looks a bug. It looks we just skip the duplicate check of the dimension names which are level variables of MultiIndex.

After the assignment, b['dim0'] returns [0, 1] not a level variable of the MultiIndex.

 
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