issue_comments: 435560123

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https://github.com/pydata/xarray/issues/2537#issuecomment-435560123 https://api.github.com/repos/pydata/xarray/issues/2537 435560123 MDEyOklzc3VlQ29tbWVudDQzNTU2MDEyMw== 5308236 2018-11-03T04:37:52Z 2018-11-03T04:37:52Z NONE

I would expect the dimension to become a MultiIndex with a single coordinate:

<xarray.DataArray (dim: 1)> array([0]) Coordinates: * dim MultiIndex coord (dim) int64 0

When there is more than one coordinate that is what happens, but not when there is only a single coordinate.

 
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