zynjacku crashed with TypeError in main()

Binary package hint: zynjacku

Description: Ubuntu maverick (development branch)
Release: 10.10

issue with:
zynjacku:
  Installed: 5.2-3build1
  Candidate: 5.2-3build1
  Version table:
 *** 5.2-3build1 0
        500 http://us.archive.ubuntu.com/ubuntu/ maverick/universe amd64 Packages
        100 /var/lib/dpkg/status

runing to connect to Edirol FA-101
jackd:
  Installed: 5
  Candidate: 5
  Version table:
 *** 5 0
        500 http://us.archive.ubuntu.com/ubuntu/ maverick/universe amd64 Packages
        100 /var/lib/dpkg/status

jackd:
  Installed: 5
  Candidate: 5
  Version table:
 *** 5 0
        500 http://us.archive.ubuntu.com/ubuntu/ maverick/universe amd64 Packages
        100 /var/lib/dpkg/status
a2jmidid:
  Installed: 6-0ubuntu3
  Candidate: 6-0ubuntu3
  Version table:
 *** 6-0ubuntu3 0
        500 http://us.archive.ubuntu.com/ubuntu/ maverick/universe amd64 Packages
        100 /var/lib/dpkg/status

jackd2-firewire:
  Installed: 1.9.5~dfsg-17ubuntu1
  Candidate: 1.9.5~dfsg-17ubuntu1
  Version table:
 *** 1.9.5~dfsg-17ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ maverick/universe amd64 Packages

issue is also duplicated using Lv2rack
but not duplicated in Calf...

issue: Unexpected shut down...

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: zynjacku 5.2-3build1
ProcVersionSignature: Ubuntu 2.6.35-14.19-generic 2.6.35
Uname: Linux 2.6.35-14-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Aug 3 12:24:25 2010
ExecutablePath: /usr/bin/zynjacku
InstallationMedia: Ubuntu-Studio 10.10 "Maverick Meerkat" - Alpha amd64 (20100803.1)
InterpreterPath: /usr/bin/python2.6
ProcCmdline: python /usr/bin/zynjacku
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/zynjacku']
SourcePackage: zynjacku
Title: zynjacku crashed with TypeError in main()
UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare