smartchart
6.9.9.8.1
This version was deleted from PyPI around 2024-09-30. Installing fails with:
$ pip3 install smartchart==6.9.9.8.1
ERROR: Could not find a version that satisfies the requirement smartchart==6.9.9.8.1

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/2024-09-29/ \
smartchart==6.9.9.8.1
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)