Bug#554782: [CRASH] Uncaught exception AttributeError in Backend/PythonApt.py:162

[Mehul N. Sanghvi]

Package: update-manager-core
Version: 0.200.0-1
Severity: normal
File: /usr/share/pyshared/UpdateManager/Backend/PythonApt.py

Tried running Update Manager and it crashed. 

*** /tmp/update-manager-bugHxTF-t
The information below has been automatically generated.
Please do not remove this from your bug report.

- Exception Type: <type 'exceptions.AttributeError'>
- Exception Value: AttributeError("'NoneType' object has no attribute 'origins'",)
- Exception Origin: <_MainThread(MainThread, started)>
- Exception Traceback:
  File "/usr/lib/pymodules/python2.5/UpdateManager/Frontend/Gtk/GtkProgress.py", line 77, in update_func
    self._ui.update_package_list()
  File "/usr/lib/pymodules/python2.5/UpdateManager/Frontend/Gtk/ui.py", line 804, in update_package_list
    want_dist_upgrade)
  File "/usr/lib/pymodules/python2.5/UpdateManager/Application.py", line 324, in get_available_updates
    return self._backend.get_available_updates(dist_upgrade=dist_upgrade)
  File "/usr/lib/pymodules/python2.5/UpdateManager/Backend/PythonApt.py", line 710, in get_available_updates
    pkg_info = PackageInfo(pkg, self._app)
  File "/usr/lib/pymodules/python2.5/UpdateManager/Backend/PythonApt.py", line 99, in __init__
    self._update_category = app.get_update_category(self)
  File "/usr/lib/pymodules/python2.5/UpdateManager/Application.py", line 344, in get_update_category
    return self._dist_specific.get_update_category(pkg_info)
  File "/usr/lib/pymodules/python2.5/UpdateManager/DistSpecific/Auto.py", line 51, in get_update_category
    return self._dist.get_update_category(package_upd_info)
  File "/usr/lib/pymodules/python2.5/UpdateManager/DistSpecific/Debian/__init__.py", line 46, in get_update_category
    label = pkg_info.get_candidate_origin_label()
  File "/usr/lib/pymodules/python2.5/UpdateManager/Backend/PythonApt.py", line 176, in get_candidate_origin_label
    origin = self._get_nonlocal_origin()
  File "/usr/lib/pymodules/python2.5/UpdateManager/Backend/PythonApt.py", line 162, in _get_nonlocal_origin
    for origin in self._pyapt_package.candidate.origins:




-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (990, 'testing')
Architecture: powerpc (ppc)

Kernel: Linux 2.6.30-2-powerpc-smp (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages update-manager-core depends on:
ii  gksu                          2.0.2-2+b1 graphical frontend to su
ii  lsb-release                   3.2-23     Linux Standard Base version report
ii  python-apt                    0.7.13.3   Python interface to libapt-pkg
ii  python-support                1.0.4      automated rebuilding support for P
ii  sudo                          1.7.2p1-1  Provide limited super user privile

Versions of packages update-manager-core recommends:
ii  update-manager-gnome          0.200.0-1  GNOME application that manages sof

update-manager-core suggests no packages.