Use a set to avoid duplicate var names from kerchunk

zarr-developers / VirtualiZarr

Create virtual Zarr stores from archival data files using xarray syntax

https://virtualizarr.readthedocs.io/en/latest/

Apache License 2.0

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Use a set to avoid duplicate var names from kerchunk #179

Closed moradology closed 2 months ago

moradology commented 2 months ago

This PR uses a set comprehension rather than a list comprehension in find_var_names to drop all duplicate var names that happen to show up in the kerchunk reference dict.

[x] Closes #178
[x] Tests added
[x] Tests passing