While you won't get a Traceback with the following test case you will see apport usage printed:
$ PYTHONPATH=/home/bdmurray/source-trees/apport/trunk data/apport '8219' '11' '0' '1' '8219' '!usr!share!spotify!spotify' '(deleted)' usage: apport [-h] [-p PID] [-s SIGNAL_NUMBER] [-c CORE_ULIMIT] [-d DUMP_MODE] [-P [GLOBAL_PID]]
With the fixed version of apport you'll see no such usage message.
While you won't get a Traceback with the following test case you will see apport usage printed:
$ PYTHONPATH= /home/bdmurray/ source- trees/apport/ trunk data/apport '8219' '11' '0' '1' '8219' '!usr!share! spotify! spotify' '(deleted)'
usage: apport [-h] [-p PID] [-s SIGNAL_NUMBER] [-c CORE_ULIMIT] [-d DUMP_MODE] [-P [GLOBAL_PID]]
With the fixed version of apport you'll see no such usage message.