You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
worldnex was reported malicious
OSV:MAL-2025-47813 - Malicious code in worldnex (PyPI)

worldnex

This package was deleted from PyPI around 2025-09-22. Installing fails with:
$ pip3 install worldnex ERROR: Could not find a version that satisfies the requirement worldnex (from versions: none) ERROR: No matching distribution found for worldnex

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/2025-09-21/ \ worldnex
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Or, download files manually

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1.0.2
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1.0.5
1.0.6
1.0.7
1.1.0
2.0.0