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

fourchainsqtest
1.0.4

This version was deleted from PyPI around 2026-01-21. Installing fails with:
$ pip3 install fourchainsqtest==1.0.4 ERROR: Could not find a version that satisfies the requirement fourchainsqtest==1.0.4
View other deleted versions of fourchainsqtest

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/2026-01-20/ \ fourchainsqtest==1.0.4
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Or, download files manually

And install manually via pip:
fourchainsqtest-1.0.4-py3-none-any.whl (235.7KB)
fourchainsqtest-1.0.4.tar.gz (237.0KB)