fsspec / fsspec/kerchunk

CI breakage with new zarr

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#569 14 comments 0 reactions 0 assignees View on GitHub

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Python
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Description

xref: https://github.com/zarr-developers/VirtualiZarr/pull/677#issuecomment-3084297201

cc @d-v-b

We are seeing several test failures recently, presumably as a consequence of the dtype refactor in zarr.

Example output:

ValueError: No Zarr data type found that matches {'name': '<i1', 'object_codec_id': None}

Other errors to do with missing variables are probably a direct consequence of this.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked VirtualiZarr pull request and the CI test failures that reproduce the reported Zarr dtype error. Trace the related missing-variable errors to determine whether they are consequences of the dtype refactor. Done means the affected tests pass with the new Zarr version and the CI failures are resolved.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
ci-cd, testing
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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