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

py2neo
2021.2.3

This version was deleted from PyPI around 2023-10-10. Installing fails with:
$ pip3 install py2neo==2021.2.3 ERROR: Could not find a version that satisfies the requirement py2neo==2021.2.3
View other deleted versions of py2neo

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/2023-10-09/ \ py2neo==2021.2.3
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:
py2neo-2021.2.3-py2.py3-none-any.whl (172.9KB)
py2neo-2021.2.3.tar.gz (154.9KB)