issue_comments: 849271660

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https://github.com/pydata/xarray/issues/5384#issuecomment-849271660 https://api.github.com/repos/pydata/xarray/issues/5384 849271660 MDEyOklzc3VlQ29tbWVudDg0OTI3MTY2MA== 404832 2021-05-27T02:35:51Z 2021-05-27T02:35:51Z CONTRIBUTOR

I'm not sure how common it is for MultiIndexes to have a single index, but we should be general over any number.

That makes sense, and it actually pretty much sums up how I encountered this. My code here is a reduction of a function I wrote that was supposed to work with a fairly general array and subset of its dimensions, and I happened to call it with a one-element dimension list.

We'd definitely take a fix for this.

In principle, I'd be happy to help, but I haven't gone into the xarray internals at all yet, nor do I have the dev environment set up (in particular, I don't have conda), so it would probably take me a while.

 
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