LuPy, a python port of Jakarta Lucene, 0.1.5.3 is out with minor changes:
Some minor changes were made for Python 2.3, although a couple of warnings about bit operations remain. This release breaks some code: field.Keyword() must now be used instead of field.Field.Keyword(). If you are using the Indexer wrapper, searches are now more accurate because the query is tokenized first.