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

IQM-Vis
0.2.5.81

This version was deleted from PyPI around 2023-10-18. Installing fails with:
$ pip3 install IQM-Vis==0.2.5.81 ERROR: Could not find a version that satisfies the requirement IQM-Vis==0.2.5.81
View other deleted versions of IQM-Vis

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/2023-10-17/ \ IQM-Vis==0.2.5.81
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:
IQM_Vis-0.2.5.81-py3-none-any.whl (14.8MB)
IQM-Vis-0.2.5.81.tar.gz (14.8MB)