readline vi mode in python interactive shell

[tnoell at gmail.com]

Well, I subsequently found this:

http://groups.google.com/group/gnu.bash.bug/browse_thread/thread/ab3d3d5ff3e1ea89/f50f81b86161b271?lnk=st&q=readline+vi+mode&rnum=25#f50f81b86161b271

to explain it.

Bummer ...