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The default headers accepting zstd encoding have been regularly causing errors during linkcheck of conda-forge.org with the message "Zstandard data is incomplete". A custom header without zstd (the default before zstd support was added in urllib3 v2)¹ gets around the error. Note: I wasn't able to reproduce the error locally (even after manually installing urllib v2 + zstandard in the development environment), so it is likely specific to the GitHub Actions network connection. ¹ https://urllib3.readthedocs.io/en/2.0.0/changelog.html
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Merging to fix linkcheck ahead of this weekend's scheduled CI runs. |
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Description of proposed changes
The default headers accepting zstd encoding have been regularly causing errors during linkcheck of conda-forge.org with the message "Zstandard data is incomplete".
A custom header without zstd (the default before zstd support was added in urllib3 v2) gets around the error.
Note: I wasn't able to reproduce the error locally (even after manually installing urllib v2 + zstandard in the development environment), so it is likely specific to the GitHub Actions network connection.
Related issue(s)
Fixes recent linkcheck failures in scheduled CI
Checklist
Update changelogno functional changes