You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
bip39-mnemonic-decrypt was reported malicious
OSV:MAL-2024-4818 - Malicious code in bip39-mnemonic-decrypt (PyPI)

bip39-mnemonic-decrypt

This package was deleted from PyPI around 2024-02-21. Installing fails with:
$ pip3 install bip39-mnemonic-decrypt ERROR: Could not find a version that satisfies the requirement bip39-mnemonic-decrypt (from versions: none) ERROR: No matching distribution found for bip39-mnemonic-decrypt

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/2024-02-19/ \ bip39-mnemonic-decrypt
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

Choose a version to see all deleted wheels and files. We only show versions that have been deleted on PyPI.
1.0.0
1.0.1