AttributeError: CommandNotFound instance has no attribute 'priority_overrides'

Binary package hint: command-not-found

user@machine:~$ mysql
Sorry, command-not-found has crashed! Please file a bug report at:
https://bugs.launchpad.net/ubuntu/+source/command-not-found
Please include the following information with the report:

command-not-found version: 0.2.21
Python version: 2.6.2 final 0
Distributor ID: Ubuntu
Description: Ubuntu jaunty (development branch)
Release: 9.04
Codename: jaunty
Exception information:

CommandNotFound instance has no attribute 'priority_overrides'
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/CommandNotFound/util.py", line 32, in crash_guard
    callback()
  File "/usr/lib/command-not-found", line 24, in main
    CommandNotFound(options.data_dir).advise(args[0], options.ignore_installed)
  File "/usr/lib/python2.6/dist-packages/CommandNotFound/CommandNotFound.py", line 163, in advise
    packages.sort(self.sortByComponent)
  File "/usr/lib/python2.6/dist-packages/CommandNotFound/CommandNotFound.py", line 103, in sortByComponent
    if (x[0] in self.priority_overrides and
AttributeError: CommandNotFound instance has no attribute 'priority_overrides'
bash: mysql: command not found

but, "in general" command-not-found works correctly. For example:

user@machine:~$ foobar
bash: foobar: command not found
user@machine:~$ gnat
The program 'gnat' is currently not installed. You can install it by typing:
sudo apt-get install gnat-4.3
bash: gnat: command not found

Neal.