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* Drop old Python 2 support leftover code and apply several RUFF code health fixes.
* Thanks, DimitriPapadopoulos!
* Add Python 3.11, 3.12 and 3.13 support and tests.
* Thanks, angvp!
* Tests in gh-action.
* Thanks, almaz.kun!
* Remove defusedexpat import.
* Thanks, hanno!
* Replace deprecated BadZipfile with BadZipFile.
* Thanks, hugovk!
* Support indent using integer format, enable `python -m unittest tests/*.py`.
* Thanks, hiiwave!
* Ensure significant whitespace is not trimmed
* Thanks, trey.franklin!
* added conda installation command
* Thanks, sugatoray!
* fix attributes not appearing in streaming mode
* Thanks, timnguyen001!
* Fix Travis CI status badge URL
* Update push_release.sh to use twine.