ubuntustudio-audio_0.71_amd64.deb failed to install

[eris23]

Preparing to replace ubuntustudio-audio 0.70 (using .../ubuntustudio-audio_0.71_amd64.deb) ...
@audio - rtprio 99

Traceback (most recent call last):
  File "/usr/share/ubuntustudio-audio/rtprio.py", line 18, in <module>
    rtprio.rm_setting()
  File "/usr/lib/python2.6/dist-packages/changesettings.py", line 80, in rm_setting
    self.rm_list.remove(self.remove_string)
ValueError: list.remove(x): x not in list
dpkg: warning: subprocess old pre-removal script returned error exit status 1
dpkg - trying script from the new package instead ...
@audio - rtprio 99

Traceback (most recent call last):
  File "/usr/share/ubuntustudio-audio/rtprio.py", line 18, in <module>
    rtprio.rm_setting()
  File "/usr/lib/python2.6/dist-packages/changesettings.py", line 80, in rm_setting
    self.rm_list.remove(self.remove_string)
ValueError: list.remove(x): x not in list
dpkg: error processing /var/cache/apt/archives/ubuntustudio-audio_0.71_amd64.deb (--unpack):
 subprocess new pre-removal script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/ubuntustudio-audio_0.71_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:

[Erich Eickmeyer (eeickmeyer)]

Looks like an old packaging error, probably long-since fixed.