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

n8n-1.1.1
0.0.1a1

This version was deleted from PyPI around 2024-07-08. Installing fails with:
$ pip3 install n8n-1.1.1==0.0.1a1 ERROR: Could not find a version that satisfies the requirement n8n-1.1.1==0.0.1a1
View other deleted versions of n8n-1.1.1

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/2024-07-07/ \ n8n-1.1.1==0.0.1a1
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:
n8n_1_1_1-0.0.1a1-py3-none-any.whl (96.7KB)
n8n_1_1_1-0.0.1a1.tar.gz (93.5KB)