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

test-poetry-binary-plugin
0.0.1a0

This version was deleted from PyPI around 2024-02-24. Installing fails with:
$ pip3 install test-poetry-binary-plugin==0.0.1a0 ERROR: Could not find a version that satisfies the requirement test-poetry-binary-plugin==0.0.1a0
View other deleted versions of test-poetry-binary-plugin

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/2024-02-23/ \ test-poetry-binary-plugin==0.0.1a0
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Or, download files manually

And install manually via pip:
test_poetry_binary_plugin-0.0.1a0-cp310-cp310-manylinux_2_35_x86_64.whl (34.7MB)
test_poetry_binary_plugin-0.0.1a0.tar.gz (1.2KB)