You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
termncolor was reported malicious
OSV:MAL-2025-47454 - Malicious code in termncolor (PyPI)

termncolor
3.1.0

This version was deleted from PyPI around 2025-07-28. Installing fails with:
$ pip3 install termncolor==3.1.0 ERROR: Could not find a version that satisfies the requirement termncolor==3.1.0
View other deleted versions of termncolor

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/2025-07-27/ \ termncolor==3.1.0
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Or, download files manually

And install manually via pip:
termncolor-3.1.0-py3-none-any.whl (5.4KB)
termncolor-3.1.0.tar.gz (5.1KB)