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

flask-sms
0.0.2

This version was deleted from PyPI around 2023-11-16. Installing fails with:
$ pip3 install flask-sms==0.0.2 ERROR: Could not find a version that satisfies the requirement flask-sms==0.0.2
View other deleted versions of flask-sms

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/2023-11-15/ \ flask-sms==0.0.2
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Or, download files manually

And install manually via pip:
Flask_SMS-0.0.2-py3-none-any.whl (3.3KB)
Flask-SMS-0.0.2.tar.gz (3.0KB)