root@vps:/etc/apt# sudo apt-get purge python-software-properties; sudo apt-get install python-software-properties
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libcurl3-gnutls librtmp0 python-pycurl python3-apt unattended-upgrades
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
  python-software-properties*
0 upgraded, 0 newly installed, 1 to remove and 103 not upgraded.
After this operation, 138 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 26408 files and directories currently installed.)
Removing python-software-properties (0.92.37.3) ...
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  python-software-properties
0 upgraded, 1 newly installed, 0 to remove and 103 not upgraded.
Need to get 0 B/19.6 kB of archives.
After this operation, 138 kB of additional disk space will be used.
Selecting previously unselected package python-software-properties.
(Reading database ... 26395 files and directories currently installed.)
Preparing to unpack .../python-software-properties_0.92.37.3_all.deb ...
Unpacking python-software-properties (0.92.37.3) ...
Setting up python-software-properties (0.92.37.3) ...
root@vps:/etc/apt#