autoroot@autoroot:~$ sudo apt-get install python-xlib
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
python-support
The following NEW packages will be installed:
python-support python-xlib
0 upgraded, 2 newly installed, 0 to remove and 1388 not upgraded.
Need to get 192 kB of archives.
After this operation, 1,080 kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
WARNING: The following packages cannot be authenticated!
python-support python-xlib
Install these packages without verification [y/N]? y
Err old-releases.ubuntu.com/… raring/universe python-support all 1.0.15
501 Not Implemented
Err old-releases.ubuntu.com/… raring/universe python-xlib all 0.14+20091101-1
501 Not Implemented
Failed to fetch old-releases.ubuntu.com/… 501 Not Implemented
Failed to fetch old-releases.ubuntu.com/… 501 Not Implemented
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
I followed this answer askubuntu.com/a/181208 but still error persists