Bug#687560: /usr/share/pyshared/UpdateManager/Backend/PythonApt.py: [CRASH] Uncaught exception AttributeError in Backend/PythonApt.py:801

[Stéphane HOFMAN]

Package: update-manager-core
Version: 0.200.5-2
Severity: normal
File: /usr/share/pyshared/UpdateManager/Backend/PythonApt.py

Dear Maintainer,
*** Please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?

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*** /tmp/update-manager-bugMY7vE0
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
'get_package_list'",)
- Exception Origin: <BugHandler.Thread(PythonAptCommit, started
140576286263040)>
- Exception Traceback:
  File "/usr/lib/pymodules/python2.7/UpdateManager/BugHandler.py", line 89, in
run
    threading.Thread.run(self, *args, **kwargs)
  File "/usr/lib/python2.7/threading.py", line 504, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/pymodules/python2.7/UpdateManager/Backend/PythonApt.py", line
801, in thread_helper
    for pkg_info in self._available_updates.get_package_list():




-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.2.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages update-manager-core depends on:
ii  lsb-release     4.1+Debian7
ii  python          2.7.3~rc2-1
ii  python-apt      0.8.4
ii  python-support  1.0.15

Versions of packages update-manager-core recommends:
ii  update-manager-gnome  0.200.5-2

update-manager-core suggests no packages.