Have you tried with a more recent version of expat (2.6+)? Do the tests succeed? Just did - test_xml_etree* succeeds with expat 2.6.3 built from source on Rocky 8, with all else remaining equal.

Learn how to use Python to reorganize your XML sitemaps and help you isolate indexing problems on your website's most important pages. One of the main benefits of combining programming and SEO ...

These libraries were chosen due to their availability and the fact that while the built-in python xml library is generally a good choice for smaller files, lxml contains an easy-to-use validation ...