You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

rule-based-retrieval
0.1.4

This version was deleted from PyPI around 2026-08-21. Installing fails with:
$ pip3 install rule-based-retrieval==0.1.4 ERROR: Could not find a version that satisfies the requirement rule-based-retrieval==0.1.4
View other deleted versions of rule-based-retrieval

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2026-08-20/ \ rule-based-retrieval==0.1.4
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Or, download files manually

And install manually via pip:
rule_based_retrieval-0.1.4-py3-none-any.whl (18.7KB)
rule_based_retrieval-0.1.4.tar.gz (19.2KB)