trivial: Catch bug if package candidate is None
drwxr-xr-x - .bzr-builddeb
-rw-r--r-- 104 .bzrignore
-rw-r--r-- 149 .gitignore
-rw-r--r-- 694 AUTHORS
-rw-r--r-- 35068 COPYING
-rw-r--r-- 7639 COPYING.LGPL
-rw-r--r-- 4053 README
-rw-r--r-- 1084 README.debug-server
-rw-r--r-- 2862 TODO
drwxr-xr-x - apt-xapian-index-plugin
drwxr-xr-x - contrib
-rw-r--r-- 81 daily-build.recipe
drwxr-xr-x - data
drwxr-xr-x - debian
drwxr-xr-x - doc
drwxr-xr-x - help
drwxr-xr-x - man
drwxr-xr-x - po
-rwxr-xr-x 366 run_against_testing_env.sh
-rwxr-xr-x 558 run_local.sh
-rwxr-xr-x 139 run_local_pk.sh
-rwxr-xr-x 107 run_with_fake_review_api.sh
-rw-r--r-- 507 setup.cfg
-rwxr-xr-x 5994 setup.py
-rwxr-xr-x 7624 software-center
-rwxr-xr-x 94 software-center-qml
drwxr-xr-x - softwarecenter
drwxr-xr-x - test
drwxr-xr-x - utils
-rw-r--r-- 11 version.txt