You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
trustdecoders was reported malicious
OSV:MAL-2024-10177 - Malicious code in trustdecoders (PyPI)

trustdecoders
1.9.5

This version was deleted from PyPI around 2024-09-23. Installing fails with:
$ pip3 install trustdecoders==1.9.5 ERROR: Could not find a version that satisfies the requirement trustdecoders==1.9.5
View other deleted versions of trustdecoders

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/2024-09-22/ \ trustdecoders==1.9.5
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Or, download files manually

And install manually via pip:
trustdecoders-1.9.5-py3-none-any.whl (4.1KB)
trustdecoders-1.9.5.tar.gz (3.8KB)