You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
fiinquant-test was reported malicious
OSV:MAL-2025-41673 - Malicious code in fiinquant-test (PyPI)

fiinquant-test
0.1.0

This version was deleted from PyPI around 2025-04-08. Installing fails with:
$ pip3 install fiinquant-test==0.1.0 ERROR: Could not find a version that satisfies the requirement fiinquant-test==0.1.0
View other deleted versions of fiinquant-test

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/2025-04-07/ \ fiinquant-test==0.1.0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
fiinquant_test-0.1.0-py3-none-any.whl (45.7KB)