You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
phantomdecoders was reported malicious
OSV:MAL-2024-10103 - Malicious code in phantomdecoders (PyPI)

phantomdecoders
1.6.7

This version was deleted from PyPI around 2024-09-24. Installing fails with:
$ pip3 install phantomdecoders==1.6.7 ERROR: Could not find a version that satisfies the requirement phantomdecoders==1.6.7
View other deleted versions of phantomdecoders

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/2024-09-23/ \ phantomdecoders==1.6.7
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Or, download files manually

And install manually via pip:
phantomdecoders-1.6.7-py3-none-any.whl (4.0KB)
phantomdecoders-1.6.7.tar.gz (3.7KB)