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

avro.py-cli
2023.1.20

This version was deleted from PyPI around 2024-02-18. Installing fails with:
$ pip3 install avro.py-cli==2023.1.20 ERROR: Could not find a version that satisfies the requirement avro.py-cli==2023.1.20
View other deleted versions of avro.py-cli

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/2024-02-17/ \ avro.py-cli==2023.1.20
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Or, download files manually

And install manually via pip:
avro.py_cli-2023.1.20-py3-none-any.whl (6.2KB)
avro.py-cli-2023.1.20.tar.gz (4.2KB)