You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
audio-separator-fork was reported malicious
OSV:MAL-2024-9947 - Malicious code in audio-separator-fork (PyPI)

audio-separator-fork
0.8.2

This version was deleted from PyPI around 2024-03-17. Installing fails with:
$ pip3 install audio-separator-fork==0.8.2 ERROR: Could not find a version that satisfies the requirement audio-separator-fork==0.8.2
View other deleted versions of audio-separator-fork

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/2024-03-16/ \ audio-separator-fork==0.8.2
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Or, download files manually

And install manually via pip:
audio_separator_fork-0.8.2-py3-none-any.whl (16.5KB)
audio_separator_fork-0.8.2.tar.gz (15.1KB)