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

lxml
1.0.3

This version was deleted from PyPI around 2024-01-06. Installing fails with:
$ pip3 install lxml==1.0.3 ERROR: Could not find a version that satisfies the requirement lxml==1.0.3
View other deleted versions of lxml

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/2024-01-05/ \ lxml==1.0.3
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:
lxml-1.0.3-py2.3-linux-i686.egg (156.6KB)
lxml-1.0.3-py2.4-linux-i686.egg (156.7KB)
lxml-1.0.3-py2.4-linux-x86_64.egg (165.9KB)
lxml-1.0.3-py2.4-win32.egg (1.3MB)
lxml-1.0.3.tar.gz (371.6KB)
lxml-1.0.3.win32-py2.4.exe (1.3MB)