issues: 968796847

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
968796847 MDU6SXNzdWU5Njg3OTY4NDc= 5697 Coerce the labels passed to Index.query to array-like objects 4160723 closed 0     3 2021-08-12T13:09:40Z 2022-03-17T17:11:43Z 2022-03-17T17:11:43Z MEMBER      

When looking at #5691 I noticed that the labels are sometimes coerced to arrays (i.e., #3153) but not always.

Later in PandasIndex.query those may again be coerced to arrays (i.e., _as_array_tuplesafe). In #5692 (https://github.com/pydata/xarray/pull/5692/commits/a551c7f05abf90a492fb59068b59ebb2bac8cb4c) they are always coerced to arrays before maybe be converted as scalars.

Shouldn't we therefore make things easier and ensure that the labels given to xarray.Index.query() always have an array interface? This would also yield a more predictable behavior to anyone who wants to implement custom xarray indexes.

 
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