The latest change to the readline module has broken tab
completion:

./python
Python 2.5a0 (#1, Apr  5 2005, 01:14:33) 
[GCC 3.3.5  (Gentoo Linux 3.3.5-r1, ssp-3.3.2-3,
pie-8.7.7.1)] on linux2
Type "help", "copyright", "credits" or "license" for
more information.
>>> import readline, rlcompleter
[25913 refs]
>>> readline.parse_and_bind("tab: complete")
[25913 refs]
>>> Segmentation fault

[Press tab after the parse_and_bind() call]