You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

sphinxcontrib-externallinks
0.1dev-20130719

This version was deleted from PyPI around 2024-04-11. Installing fails with:
$ pip3 install sphinxcontrib-externallinks==0.1dev-20130719 ERROR: Could not find a version that satisfies the requirement sphinxcontrib-externallinks==0.1dev-20130719
View other deleted versions of sphinxcontrib-externallinks

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/2024-04-10/ \ sphinxcontrib-externallinks==0.1dev-20130719
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Or, download files manually

And install manually via pip:
sphinxcontrib-externallinks-0.1dev-20130719.tar.gz (2.1KB)