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

bigdl-dllib-spark2
2.4.0b20230830

This version was deleted from PyPI around 2023-09-26. Installing fails with:
$ pip3 install bigdl-dllib-spark2==2.4.0b20230830 ERROR: Could not find a version that satisfies the requirement bigdl-dllib-spark2==2.4.0b20230830
View other deleted versions of bigdl-dllib-spark2

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/2023-09-25/ \ bigdl-dllib-spark2==2.4.0b20230830
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:
bigdl_dllib_spark2-2.4.0b20230830-py3-none-macosx_10_11_x86_64.whl (51.3MB)
bigdl_dllib_spark2-2.4.0b20230830-py3-none-manylinux1_x86_64.whl (51.3MB)
bigdl-dllib-spark2-2.4.0b20230830.tar.gz (51.2MB)