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

irails
1.5.1

This version was deleted from PyPI around 2023-12-19. Installing fails with:
$ pip3 install irails==1.5.1 ERROR: Could not find a version that satisfies the requirement irails==1.5.1
View other deleted versions of irails

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/2023-12-18/ \ irails==1.5.1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
irails-1.5.1-py3-none-any.whl (1.0MB)
irails-1.5.1.tar.gz (998.0KB)