[Bug 1279987] Re: usb-creator-gtk crashed with TypeError in __call__(): first argument must be the method signature string: GLib.Variant('a{sv}', {})

[Miro Janosik]

Hello
I have the same version as mue.de above (Qt: 4.8.6 KDE: 4.13.3 Tvorca štartovacieho disku: 0.2.23) and I get the exception when I start the program. Interesting is that application continues to run. 

But program crashes at later stage, when I try to create bootable stick:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/usbcreator/frontends/kde/frontend.py", line 479, in install
    self.delete_timeout(self.update_loop)
AttributeError: 'KdeFrontend' object has no attribute 'update_loop'

When I try to run usb-creator-gtk I get the exception and can't start the program. Even listing version crashes:
miro at uhlie:~$ usb-creator-gtk --version
0.2.23
(usb-creator-gtk:5330): GLib-CRITICAL **: g_hash_table_destroy: assertion 'hash_table != NULL' failed

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https://bugs.launchpad.net/bugs/1279987

Title:
  usb-creator-gtk crashed with TypeError in __call__(): first argument
  must be the method signature string: GLib.Variant('a{sv}', {})

Status in “usb-creator” package in Ubuntu:
  Confirmed

Bug description:
  Crashed when trying to create a start-up disk.  Got as far as trying
  to erase the USB drive when it froze and I got the error.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: usb-creator-gtk 0.2.53
  ProcVersionSignature: Ubuntu 3.13.0-8.28-generic 3.13.2
  Uname: Linux 3.13.0-8-generic x86_64
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Thu Feb 13 16:17:24 2014
  ExecutablePath: /usr/bin/usb-creator-gtk
  InstallationDate: Installed on 2014-01-24 (19 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140121.1)
  InterpreterPath: /usr/bin/python3.3
  ProcCmdline: /usr/bin/python3 /usr/bin/usb-creator-gtk
  PythonArgs: ['/usr/bin/usb-creator-gtk']
  SourcePackage: usb-creator
  Title: usb-creator-gtk crashed with TypeError in __call__(): first argument must be the method signature string: GLib.Variant('a{sv}', {})
  UDisksDump: Error: [Errno 2] No such file or directory: 'udisks'
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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