Comment 1 for bug 1487174

Well trying to run get_file_package() before install_packages() didn't work out to well.

Traceback (most recent call last):
  File "/home/bdmurray/source-trees/apport/retracer-hack/bin/apport-retrace", line 301, in <module>
    options.dynamic_origins)
  File "/home/bdmurray/source-trees/apport/retracer-hack/apport/sandboxutils.py", line 185, in make_sandbox
    arch=report.get('Architecture'))
  File "/home/bdmurray/source-trees/apport/retracer-hack/apport/packaging_impl.py", line 463, in get_file_package
    return self._search_contents(file, map_cachedir, release, arch)
  File "/home/bdmurray/source-trees/apport/retracer-hack/apport/packaging_impl.py", line 1150, in _search_contents
    release = self._distro_release_to_codename(release)
  File "/home/bdmurray/source-trees/apport/retracer-hack/apport/packaging_impl.py", line 1133, in _distro_release_to_codename
    raise NotImplementedError('Cannot map DistroRelease to a code name without install_packages()')
NotImplementedError: Cannot map DistroRelease to a code name without install_packages()