This bug was fixed in the package python-apt - 0.7.10.3ubuntu1

---------------
python-apt (0.7.10.3ubuntu1) karmic; urgency=low

  * merged from debian, remaining changes:
    - updated mirrors
    - build python2.4
    - use DH_PYCENTRAL=include-links
    - use --install-layout=deb
    - pre-build.sh: update ubuntu mirrors on bzr-buildpackage

python-apt (0.7.10.3) unstable; urgency=low

  * apt/package.py: Handle cases where no candidate is available, by returning
    None in the candidate property. (Closes: #523801)

python-apt (0.7.10.2) unstable; urgency=low

  * apt/package.py: Handle cases where no candidate is available and
    one of the deprecated properties (e.g. candidateVersion) is
    requested. (Closes: #523801)
  * setup.py, debian/rules: Support version in setup.py again by getting
    the value from the variable DEBVER (defined in debian/rules), falling
    back to None.

python-apt (0.7.10) unstable; urgency=low

  * Build-Depend on python-debian, use it to get version number from changelog
  * Depend on libjs-jquery, and remove internal copy (Closes: #521532)
  * apt/package.py:
    - Introduce Version.{uri,uris,fetch_binary()}
  * debian/control:
    - Remove mdz from Uploaders (Closes: #521477), add myself.
    - Update Standards-Version to 3.8.1
    - Use ${binary:Version} instead of ${Source-Version}
    - Fix spelling error: python -> Python
  * debian/copyright: Switch to machine-interpretable copyright
  * Fix documentation building
    - doc/source/conf.py: Only include directories for current python version.
    - debian/control: Build-Depend on python-gtk2, python-vte.
    - setup.py: If pygtk can not be imported, do not build the documentation.
  * Breaks: debdelta (<< 0.28~) to avoid more problems due to the internal
    API changes from 0.7.9.

python-apt (0.7.9) unstable; urgency=low

  [ Julian Andres Klode ]
  * apt/gtk/widgets.py:
    - Handle older versions of python-gobject which do not ship glib
  * apt/package.py: Introduce the Version class
    - Deprecate Package.candidate*() and Package.installed*(), except for
      installedFiles.
    - Provide Version.get_source() (LP: #118788)
    - Provide Package.versions (Closes: #513236)
  * apt/progress/: New package, replaces apt.progress and apt.gtk
    - apt/progress/gtk2.py: Moved here from apt/gtk/widgets.py
    - apt/progress/__init__.py: Move here from apt/progress.py
  * doc/source/*: Improve the documentation
    - Document more attributes and functions of apt_pkg (they are all listed)

  [ Michael Vogt ]
  * aptsources/distro.py:
    - use iso_3166.xml instead of iso_3166.tab
    - fix incorrect indent
  * debian/control:
    - add Recommends to iso-codes (for iso_3166.xml)
  * apt/package.py:
    - make sure to set the defaulttimeout back to the
      original value (in getChangelog(), LP: #314212)
      Closes: #513315
  * apt/cache.py:
    - when setting a alternative rootdir, read the
      config from it as well
  * python/configuration.cc, python/apt_pkgmodule.cc:
    - add apt_pkg.ReadConfigDir()
  * python/cache.cc, tests/getcache_mem_corruption.py:
    - test if progress objects have the right methods
      and raise error if not (thanks to Emanuele Rocca)
      closes: #497049
  * apt/package.py:
    - avoid uneeded interal references in the Package objects
  * aptsources/sourceslist.py:
    - fix bug in invalid lines detection (LP: #324614)

 -- Michael Vogt <email address hidden>   Tue, 05 May 2009 12:03:27 +0200