It's feature. user@ubuntu:/tmp$ PYTHONINSPECT=1 aaThe program 'aa' is currently not installed. To run 'aa' please ask your administrator to install the package 'astronomical-almanac'Traceback (most recent call last): File "/usr/lib/command-not-found", line 94, in crash_guard(main, BUG_REPORT_URL, __version__) File "/usr/lib/python2.7/dist-packages/CommandNotFound/util.py", line 40, in crash_guar..