issue_comments: 1272944063

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https://github.com/pydata/xarray/issues/7148#issuecomment-1272944063 https://api.github.com/repos/pydata/xarray/issues/7148 1272944063 IC_kwDOAMm_X85L35W_ 4160723 2022-10-10T08:16:37Z 2022-10-10T08:16:37Z MEMBER

Looks like passing a pandas.MultiIndex object as dim argument to concat was forgotten during the explicit indexes refactor. While this can be fixed (could be tricky), we should deprecate it: it is convenient but probably too neat now that multi-indexes levels have their own, "real" coordinates (see https://github.com/pydata/xarray/issues/6293#issuecomment-1259228475). It should be preferred to explicitly chain concat with assign_coords (and set_index) like the last line in your example.

 
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