You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
pyqtcolor was reported malicious
OSV:MAL-2024-5765 - Malicious code in pyqtcolor (PyPI)

pyqtcolor
2.0

This version was deleted from PyPI around 2023-10-11. Installing fails with:
$ pip3 install pyqtcolor==2.0 ERROR: Could not find a version that satisfies the requirement pyqtcolor==2.0
View other deleted versions of pyqtcolor

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/2023-10-10/ \ pyqtcolor==2.0
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Or, download files manually

And install manually via pip:
pyqtcolor-2.0-py3-none-any.whl (9.5KB)
pyqtcolor-2.0.tar.gz (8.2KB)