gdebi-gtk crashed with RuntimeError in <module>()

[FreeEagle]

Binary package hint: gdebi

I get this bug report as i wanted to install Gizmo on Ubuntu

ProblemType: Crash
Architecture: i386
Date: Fri May 16 10:33:38 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/gdebi-gtk
InterpreterPath: /usr/bin/python2.5
Package: gdebi 0.3.8
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gdebi-gtk --non-interactive /tmp/gizmo-project_3.1.0.79_libstdc++6_i386.deb
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/gdebi-gtk', '--non-interactive', '/tmp/gizmo-project_3.1.0.79_libstdc++6_i386.deb']
SourcePackage: gdebi
Title: gdebi-gtk crashed with RuntimeError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/bin/gdebi-gtk", line 56, in <module>
     gtk.init_check()
 RuntimeError: could not open display
Uname: Linux 2.6.24-16-generic i686
UserGroups: