You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
basic-arithmetics was reported malicious
OSV:MAL-2024-12214 - Malicious code in basic-arithmetics (PyPI)

basic-arithmetics

This package was deleted from PyPI around 2026-03-19. Installing fails with:
$ pip3 install basic-arithmetics ERROR: Could not find a version that satisfies the requirement basic-arithmetics (from versions: none) ERROR: No matching distribution found for basic-arithmetics

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pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2026-03-18/ \ basic-arithmetics
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Or, download files manually

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0.0.1
0.0.2
0.0.3
1.0.0