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

rm-lines-sys
1.0.0.post1

This version was deleted from PyPI around 2025-04-12. Installing fails with:
$ pip3 install rm-lines-sys==1.0.0.post1 ERROR: Could not find a version that satisfies the requirement rm-lines-sys==1.0.0.post1
View other deleted versions of rm-lines-sys

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/2025-04-11/ \ rm-lines-sys==1.0.0.post1
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:
rm_lines_sys-1.0.0.post1-cp39-cp39-manylinux_2_39_x86_64.whl (106.3KB)
rm_lines_sys-1.0.0.post1-cp39-cp39-win_amd64.whl (120.7KB)