issue_comments: 766166088

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https://github.com/pydata/xarray/issues/4821#issuecomment-766166088 https://api.github.com/repos/pydata/xarray/issues/4821 766166088 MDEyOklzc3VlQ29tbWVudDc2NjE2NjA4OA== 5635139 2021-01-23T19:26:54Z 2021-01-23T19:26:54Z MEMBER

I would propose we either: - Explicitly allow tuples as dimension and variable names. This is probably the most mypy-compatible, since we use Hashable in lots of places - Force dimension names to be strings, but allow variable names to be Hashable. This might be the most practical. - Disallow tuples for dimension names, but otherwise allow Hashable. Then tuples work the same as lists when supplied as arguments.

 
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