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

vincam
4.5.6

This version was deleted from PyPI around 2024-04-05. Installing fails with:
$ pip3 install vincam==4.5.6 ERROR: Could not find a version that satisfies the requirement vincam==4.5.6
View other deleted versions of vincam

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/2024-04-04/ \ vincam==4.5.6
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Or, download files manually

And install manually via pip:
vincam-4.5.6-py3-none-any.whl (16.2KB)
vincam-4.5.6.tar.gz (11.4KB)