~$ sudo add-apt-repository ppa:caffeine-developers/ppa
[sudo] password for <user>:
Traceback (most recent call last):
File "/usr/bin/add-apt-repository", line 11, in <module>
from softwareproperties.SoftwareProperties import SoftwareProperties, shortcut_handler
ImportError: No module named 'softwareproperties.SoftwareProperties'
~$ sudo add-apt-repository ppa:caffeine- developers/ ppa add-apt- repository" , line 11, in <module> ies.SoftwarePro perties import SoftwareProperties, shortcut_handler ties.SoftwarePr operties'
[sudo] password for <user>:
Traceback (most recent call last):
File "/usr/bin/
from softwarepropert
ImportError: No module named 'softwareproper
Ubuntu 14.04