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

tg-flask-sse-common
1.9.3

This version was deleted from PyPI around 2024-04-01. Installing fails with:
$ pip3 install tg-flask-sse-common==1.9.3 ERROR: Could not find a version that satisfies the requirement tg-flask-sse-common==1.9.3
View other deleted versions of tg-flask-sse-common

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/2024-03-31/ \ tg-flask-sse-common==1.9.3
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:
tg_flask_sse_common-1.9.3-py3-none-any.whl (13.0KB)
tg_flask_sse_common-1.9.3.tar.gz (9.9KB)