executing any inexistent cli command causes a crash

[Carlos Troncoso Phillips]

Output
------------------
$ pip #or any other command not found.
Sorry, command-not-found has crashed! Please file a bug report at:
https://bugs.launchpad.net/command-not-found/+filebug
Please include the following information with the report:

command-not-found version: 0.2.44
-------------------

[Carlos Troncoso Phillips (schmickcl)]

This happened on a newly installed Ubuntu 12.4.
I noticed also a lot of warnings on python and apt-get regarding locale being unset:
--------------
$ sudo apt-get install python-pip
.....
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = (unset),
 LC_ALL = (unset),
 LC_PAPER = "es_CL.UTF-8",
 LC_ADDRESS = "es_CL.UTF-8".......
--------------------------

I decided to reconfigure the locales.

----------------
$ sudo dpkg-reconfigure locales
.....

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = (unset),

 LC_ALL = (unset),
 LC_PAPER = "es_CL.UTF-8",
 LC_ADDRESS = "es_CL.UTF-8",
 LC_MONETARY = "es_CL.UTF-8",
 LC_NUMERIC = "es_CL.UTF-8",
 LC_TELEPHONE = "es_CL.UTF-8",
 LC_MESSAGES = "en_US.UTF-8",
 LC_COLLATE = "en_US.UTF-8",
 LC_IDENTIFICATION = "es_CL.UTF-8",
 LC_MEASUREMENT = "es_CL.UTF-8",
 LC_CTYPE = "en_US.UTF-8",
 LC_TIME = "es_CL.UTF-8",
 LC_NAME = "es_CL.UTF-8",
 LANG = "en_US.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_ALL to default locale: No such file or directory
Generating locales...
  en_AG.UTF-8... up-to-date
  en_AU.UTF-8... up-to-date
  en_BW.UTF-8... up-to-date
  en_CA.UTF-8... up-to-date
  en_DK.UTF-8... up-to-date
  en_GB.UTF-8... up-to-date
  en_HK.UTF-8... up-to-date
  en_IE.UTF-8... up-to-date
  en_IN.UTF-8... up-to-date
  en_NG.UTF-8... up-to-date
  en_NZ.UTF-8... up-to-date
  en_PH.UTF-8... up-to-date
  en_SG.UTF-8... up-to-date
  en_US.UTF-8... up-to-date
  en_ZA.UTF-8... up-to-date
  en_ZM.UTF-8... up-to-date
  en_ZW.UTF-8... up-to-date
Generation complete.
-----------------------
Ehhhh... where is es_CL.UTF-8? DUH!

----------------------
$ sudo locale-gen es_CL.UTF-8
Generating locales...
  es_CL.UTF-8... done
Generation complete.
----------------------

Log out, log in... and no more crashes.YG

THIS IS A WORKAROUND AND SPECIFIC FOR "ES" LOCALES (OR ANY OTHER NOT "EN")
COMMAND-NOT-FOUND SHOULD BE ABLE TO HANDLE NO LOCALE.